Describe and list the contents of the dural sinuses, subdural space, and subarachnoid space.

Answers

Answer 1

Dural sinues: This forms at the base of the three folds

Subdural space : This contains the serous fluid.

Subarachnoid space: This contains blood vessels and cerebrospinal fluid.

What is Subarachnoid space?

The Subarachnoid space is defined as the space that separates the brain from the skull. It is known to be fluid filled with the cerebrospinal fluid. This helps to provide cushion effects in case of injury or trauma to the head.

Dural sinues: These sinuses are located at the dura mater between the endosteal and meningeal layers of the dura mater. They contain venous blood that originates for the most part from the brain or cranial cavity.

Subdural space : This is a potential space that can be visible when the arachnoid mater is separated from the dura mater. It is filled with serious fluid that aids in lubrication.

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Related Questions

4 points
16. Which of the following is NOT an example of economics as a result of
biodiversity? *
the Fishing Industry
the Stock Market
the Lumber Industry

Answers

biodiversity is a topic of science therefore it is not an example of economics .

Answer:

The stock market is not an example of economics as a result of biodiversity.

1. ______ help blood clot following wounds, so that wounds stop bleeding.
2. Most of blood is made of the yellow-colored liquid _______.
3. _______ blood cells are part of the immune system and fight off infections.
4. Blood must reach every single cell in the body. In order to do this, blood flows through the _______, which are small blood vessels, often only 1 cell thick.
5. Most _______ carry oxygen-rich blood away from the heart and are coded red in anatomy diagrams.
6. Blue-colored blood vessels indicate low-oxygen blood and are called _______.
7. The _______ is the main artery out of the heart, taking freshly-oxygenated blood from the left ventricle to deliver to the rest of the body.
8. The right ventricle pumps blood to the lungs through the _______; this is typically colored blue even though it carries blood away from the heart.
9. _______ is a waste gas that is carried by blood back to the lungs.

Respond to the following based on your reading.

Write out the process of blood flowing through the heart. Begin with low-oxygen blood returning to the heart from the body. Your response should include the terms: pulmonary artery, aorta, pulmonary vein, superior vena cava, inferior vena cava, left atrium, right atrium, left ventricle, right ventricle, mitral valve, tricuspid valve.

Answers

The statements for filling the blanks are:

1. Platelets help in the clotting of the blood during a time of injury. It is present in the blood and is activated when the bleeding starts.

2. The blood is primarily composed of plasma, cellular elements, and formed elements.

3. White blood cells or leucocytes are part of the immune system, which help in eliminating foreign bodies or pathogens.

4. The blood is the circulatory fluid that transports nutrients and gases. The exchange of these substances at the cellular level is carried out by capillaries.

5. Most of the arteries in the human body carry oxygen-rich blood from the heart to different parts of the body.

6. Blue-colored vessels that carry deoxygenated blood are known as veins. These carry blood from different parts of the body to the heart.

7. Aorta is the primary artery, which carries oxygen-rich blood to different parts of the body from the left ventricle of the heart.

8. The pulmonary artery is responsible for carrying the deoxygenated blood from the heart to the lungs.

9. Carbon dioxide is the waste gas, which is delivered to the lungs from the different parts of the body.

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Answer:

Platelets

plasma

White

capillaries

arteries

veins

aorta

pulmonary artery

Carbon dioxide

The blood returns to the right atrium through the superior vena cava and inferior vena cava and is transferred to the right ventricle through the tricuspid valve. The right ventricle pumps the low-oxygen blood through the pulmonary artery to the lungs. Once the blood has been oxygenated in the lungs, it goes to the left atrium through the pulmonary vein. The left atrium sends the blood through the mitral valve to the left ventricle, which then pumps the blood out to the body through the aorta.

Explanation: PF

The nervous system is responsible for…

defending against disease like the flu or common cold.

receiving and processing stimuli from the body.

breaking down food and extracting nutrients.

exchanging gases between the body and the environment.

Answers

Answer:

B) receiving and processing stimuli from the body.

Explanation:

no need

The nervous system is responsible for receiving and processing stimuli from the body via ANS. Therefore, option (B) is correct.

What is nervous system?

The brain, spinal cord, and intricate web of nerves make up the nervous system. The brain and the body are communicated with via this system.

It directs simple processes like waking up, automatic ones like breathing, and intricate ones like thinking, reading, remembering, and experiencing emotions. The nervous system regulates: the growth and development of the brain.

The sensory and motor neurons are responsible for receiving and signalling stimuli. Therefore, option (B) is correct.

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For example, a friend of yours goes to the gym and takes a 30-minute, cardio interval training class. While switching between doing high-intensity push-ups, jumping jacks, and weight training, she notices that there is a burning sensation in her muscles. The burning is due to the buildup of:_____

a.creatine phosphate
b.lactate
c.alcohol

in the muscle tissue, a result of her muscles supplying ATP:______

a. anaerobically
b. aerobically

Answers

Answer:

b. lactate

a. anaerobically

Explanation:

In the body, energy is produced aerobically in the presence of oxygen, however, during tough exercises, breathing begins to occur faster in an attempt to produce more oxygen to make energy for the muscles to continue to work. But in the case of strenuous exercise, the body evades the need for oxygen to produce energy, therefore, energy is now produced faster, anaerobically for the working muscles. This energy produced is through the breakdown of glucose, in a process called glycolysis. Glucose undergoes a ten-step reaction where it finally broken-down to pyruvate. Normally, in aerobic conditions, pyruvate is further metabolized to produce energy, but in anaerobic conditions, such as in strenuous exercise, pyruvate is temporarily converted to lactate to produce energy for the working muscles.

During strenuous exercises, lactate rapidly builds up in the muscles and this can result to rapid breathing, soreness and burning sensation in the muscles.

What do you think some of the negative consequences of gender socialization could be?

Answers

Gender socialization is the process by which individuals learn and internalize the norms, attitudes, and behaviors associated with their gender. While gender socialization can have some positive effects such as promoting socialization and community building, it can also have negative consequences.

One negative consequence of gender socialization is the reinforcement of gender stereotypes. Stereotypes are oversimplified and often inaccurate beliefs about groups of people, and they can lead to discrimination and prejudice. Gender stereotypes can limit individual choices and opportunities, as well as contribute to gender-based violence and other forms of inequality.

Another negative consequence of gender socialization is the pressure to conform to traditional gender roles and expectations. This pressure can limit individual expression and creativity, and it can also contribute to mental health issues such as anxiety and depression.

Answer:
HACCP is a program designed to create awareness of potential points
of contamination in a food-processing facility.
a. true
b. false
2 Answer:
A bacteriostatic agent uses static electricity to remove bacteria
from a surface.
a. true
b. false
3 Answer:
The three major sources of contamination in a food processing plant
are people, processing equipment, and the plant environment.
a. true
b. false
4 Answer:
Water hardness is a measure of the presence of substances in water
that form insoluble precipitates with soap.
a. true
b. false
5 Answer:
The floor of a food processing facility should have an unfinished
concrete surface for easy cleaning.
a. true
b. false

Answers

Answer:

i want points please...................

Why did the earth start to spin slower?

Answers

Answer:

Hi Todo here!!!

Explanation:

Slowing of Earth's Spin Revealed in Ancient Astronomers' Tablets The time it takes our planet to do a full rotation has increased every century due to friction caused by tides.

YW!

Answer:

This has to do with the moon's gravitational pull.

what's the meaning of life

Answers

Answer: Ive been asking that my whole life

Explanation: Life does not make sense why are we on this earth just to grow old and die?

Answer: i think life is a test to go to heven or heak

Explanation:

i think this because the actions you do on earth will effect if you go to heven or heak

Which Field of study is quantifiable makes testable predictions and uses controlled conditions for experimental procedures

Answers

Answer:

Science

Explanation:

Did you notice how many words and phrases there are in the question that come straight out of the "Scientific Method" ?

The question is describing the study of Science, or more accurately, the scientific study of anything.

Answer:

D. Science

Explanation:

I took the test

Quagga mussels, an invasive species of mollusk originally from
Russia, have been introduced to the lake after being carried in on
the hulls of boats. An assessment of the size of the quagga
mussel problem is needed, along with suggestions to curb their
population growth.
what field of science is this?

Answers

This is a problem in the field of ecology.

The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.

It falls under the discipline of ecology, which studies the relationships between organisms and their environment.

Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.

In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.

They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.

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Please help

Sperm are produced in the _____. They then mature in the_____

Answers

Answer: sperm are produced in the testes and mature in the epididymis

Explanation:

Please help me out with this.

Answers

The cell wall protects the cell it acts like a barrier

What might happen to the allele frequencies if the number of hawks declined?

Answers

ANSWER:

If the number of hawks declined, the allele frequencies in the hawk population would be affected. Specifically, alleles that contribute to traits that are advantageous for survival and reproduction in hawks would decrease in frequency, while alleles that are less advantageous would increase. This could lead to a decrease in genetic diversity and potentially reduce the overall fitness of the hawk population.

7) How do nitrogen-fixing bacteria help cycle
340
nitrogen through ecosystems?
320
A. They change nitrogen into forms usable by
plants
300
1950
B. They convert water and carbon dioxide into
sugar
C. They release the chemical energy in nitrogen for respiration
D. They convert sunlight into chemical energy stored in nitrogen
19

Answers

Answer:

A. They change nitrogen into forms usable by plants.

Explanation:

They change nitrogen into nitrous oxide and ammonia, a form usable by plants.

Hope this helps ;)❤❤❤

Centimeter is the Si unit of length Statement given below is incorrect write the correct statement.

Answers

Answer:

Centimeter is the SI unit of length. The distance light travels in a year is measured in light-years. The length of a marathon is measured in miles. The mass of the sun is measured in solar masses. The distance across the universe is measured in kilometers. The length of a nanometer is measured in angstrons. The distance across an atom is measured in picometers. The distance across a subatomic particle is measured in attometers. The mass of an electron is measured in kilograms. The number of protons in an atom is measured in avogadros.

Explanation:

lysogenic cycle reproduction steps

Answers

“The following are the steps of the lysogenic cycle:1) Viral genome enters cell2) Viral genome integrates into Host cell genome3) Host cell DNA Polymerase copies viral chromosomes4) cell divides, and virus chromosomes are transmitted to cell's daughter cells5) At any moment when the virus is "triggered", the viral genome detaches from the Host cell's DNA and enters stage 2 of the Lytic cycle. While it is unclear as of yet what exactly constitutes a "trigger" that activates the viral DNA from the latent stage entered in Step 4, common symptoms that appear to "trigger" the viral DNA are hormones, high stress levels (adrenaline), and free energy within the infected cell.An example of a virus that enter the lysogenic cycle is herpes, which first enters the Lytic cycle after infecting a human, then the lysogenic cycle before travelling to the nervous system where it resides in the nerve fibers as an episomal element. After a long period of time (months to years) in a latent stage, the herpes virus is often reactivated to the Lytic stage during which it causes severe nervous system damage”.

4: Units of inheritance known as genes exist in pairs.
a) TRUE
b) FALSE
5: A tall plant (AA) is crossed with a short plant (aa). The offspring produced in Fl will be
a) all Tall
b) short
c) y tall and 72 short
d) no of the above
6: The genotypes (or genotypic ratio) of the Fl offspring in 5 will be
a) all Aa (correct)
b) 12 AA, 12 Aa
c) aa
d) none of the above.
7: Alternate forms of genes are called alleles.
a) TRUE
b) FALSE
8: Phenotypes are
a) physical characteristics determined by genes
b) genes
c) genetic characteristics
d) alleles
9: The inheritance law known as the Law of segregation was postulated by
a) Mendel
b) Aristotle
c) Morgan
d) Darwin
10: Heterozygous organisms carry one dominant and one recessive allele

Answers

Answer:

4. a

5. a

6. a

7. a

8. a

9. a

10. True

Explanation:

4. Units of inheritance in living organisms are known as genes. These genes exist in pairs in all organisms and a copy of each gene is passed down to the offspring during reproduction.

Correct option: a

5. Assuming the dominance of allele A over allele a:

AA x aa

Aa Aa Aa Aa

All the offspring will appear tall since the effects of allele a is masked by allele A.

Correct option: a

6. From the cross in (5) above, the genotypic ratio of the offspring is 100% Aa.

Correct option: a

7. Alternate forms of genes in living organisms are known as alleles. A copy of the alleles is usually passed down to the offspring during the process of reproduction.

Correct option: a

8. Phenotypes are the physical appearance of organisms. They are physical interpretation of genes.

Correct option: a

9. The law of segregation was postulated by Gregor Mendel. It states that gene pairs segregate during the process of meiosis and then randomly unite during the process of fertilization.

Correct option: a

10 Heterozygous organisms have two different alleles for the same genes. For genes that obey Mendelian laws, heterozygous condition is characterized by one dominant and one recessive alleles.

how does the process of translation convert information from a dna code to an rna code?

a. from a DNA code to an RNA code
b. from an amino acids code to a nucleic acid code
c. from an RNA code to a DNA code
d. from a nucleic acid code to an amino acid code

Answers

Answer:B

Explanation:

The nitrogen bases in DNA code for the sequence of amino acids that make up a protein

Answer:

its B

Explanation:

Help me please !!!!!!!

Answers

Answer:

i think is C

Explanation:

c jjjjjjjjbwjwjjwjww

Base your answers to questions 1 through 3 on the diagram below and on your knowledge
of Earth science. The diagram represents the expansion of a portion of the universe from its
origin until the present. The timeline represents billions of years. Letter X indicates two
celestial objects.
Timeline (billion years ago)
Present T
5-
10-
Origin of
Universe
15-
1. Two pieces of evidence that support the theory that the universe is expanding are the
A) red shift of light from distant stars and the existence of nuclear fusion
B) red shift of light from distant stars and the existence of cosmic background
radiation
C) blue shift of light from distant stars and the existence of nuclear fusion
D) blue shift of light from distant stars and the existence of cosmic background
radiation
polestial objects labeled X are

Answers

The two pieces of evidence that support the theory of the expanding universe are the red shift of light from distant stars and the existence of cosmic background radiation.

The correct answer is option B.

1. Red shift of light from distant stars: The observation of redshift in the light coming from distant galaxies provides evidence for the expansion of the universe. Redshift occurs when the light waves from an object moving away from an observer are stretched, causing a shift towards longer wavelengths. This phenomenon is consistent with the Doppler effect, where the wavelength of light appears to stretch as the source moves away. The redshift of light from distant stars indicates that galaxies are moving away from us and from each other, supporting the idea that the universe is expanding.

2. Existence of cosmic background radiation: The discovery of cosmic background radiation further supports the theory of the expanding universe. Cosmic background radiation is a faint, uniform microwave radiation that permeates the entire universe. It is believed to be residual radiation from the Big Bang, the initial event that is thought to have initiated the expansion of the universe. The presence of cosmic background radiation provides strong evidence for the hot, dense early stages of the universe and its subsequent expansion.

Based on the information provided in the diagram, it is not possible to determine the identity or nature of the celestial objects labeled X. The diagram only represents the expansion of the universe over time and does not provide specific details about individual celestial objects.

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If a newborn baby weighs 8 pounds and 4 ounces how much does it weigh in grams

Answers

3856 :)

Have a good day

Answer:

3810.18 value 454

Explanation:

if the baby is 8 pounds and 4 oz

4. Carbon dating would work best on which of the following items?
Oan animal bone from 100,000 years ago
a stone tool from 2000 years ago
O a wood tool from 100 years ago
a neanderthal bone from 40,000 years ago

Answers

The carbon dating technique would only be best for a Neanderthal bone from 40,000 years ago.

What is carbon dating?

Organisms are known to exchange $^{14} C$ with their environment while they are alive. There are two types of carbon isotopes which are carbon 12 and carbon -14.

The carbon -14 is known to be radioactive. As such, the decay of the carbon - 14 isotope could be used to obtain the age of the sample of the radioactive sample.

Again, it is known that the limit of the accuracy of the carbon-14 system of dating technique lies around 50 000–60 000 years. It then follows that the carbon dating technique would only be best for a Neanderthal bone from 40,000 years ago.

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What is the offspring produced from the sexual reproduction of two different species?

Answers

Answer:

Sexual reproduction involves two parents and produces offspring that are genetically unique. During sexual reproduction, two haploid gametes join in the process of fertilization to produce a diploid zygote. Meiosis is the type of cell division that produces gametes.

Is a carbon atom covalently bonded to a hydrogen atom positive, negative, partial positive or partial negative ?

Answers

it has a partial positive charge

BO
Which serves as evidence for a scientific claim?
surveys of public opinion
company advertisements
controlled experiments
personal websites

Answers

The correct answer is C. Controlled experiments

Explanation:

A scientific claim is a statement that describes or explains a phenomenon of the world. These statements can be proven as valid or invalid only through scientific experiments, which involve testing in controlled conditions the phenomenon. This is the only way because the scientific method should be followed. For example, if the claim is that humidity affects the growth rate of cacti. The researcher will need to use multiple cacti and use different percentages of humidity to prove if humidity increases or decreases the growth rate. Also, in this case, other factors such as nutrients in the soil, exposition to sunlight, etc. should be controlled to guarantee these factors are equal for all plants. According to this, the one that serves as evidence for the scientific claim is controlled experiments.

Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?

Answers

The concept that makes it legally right to reproduce a substantial portion of the works of another person with permission is Copyright. Option A

What is copyright all about?

The concept of copyright grants the creator of an original work the sole rights to its use and distribution, usually for a limited time, with the intent of enabling the creator to receive compensation for their intellectual effort.

When someone else wishes to reproduce a substantial portion of those works, they must usually get permission from the copyright holder.

This permission can take the form of a license or contract that outlin the tems under which the work can be used.

The above answer is in response to the full question below;

Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?

A. Copyright

B. Fair use

C. Freedom of information

D. Intellectual freedom

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Can environmental factors influence the expression of traits?

Answers

Answer:

Environmental Factors Interact with Genes

Environmental factors often influence traits independently of genes. But not always. Sometimes the environment changes a gene—either its DNA sequence or its activity level. Either of these effects can change the proteins that are made from a gene, which in turn affects traits.

Which correctly lists three planets that have rings?
O Jupiter, Mars, Saturn
O Mars, Jupiter, Mercury
Mercury, Mars, Venus
O Neptune, Uranus, Jupiter

Answers

The minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter Mercury does not have any known rings the correct combination is "Jupiter, Mars, Saturn" when referring to planets that have rings.

Out of the four options provided, the only combination that consists of three planets with rings is "Jupiter, Mars, Saturn."

Jupiter: Jupiter is the largest planet in our solar system and is well-known for its impressive ring system.

Although not as prominent as Saturn's rings, Jupiter's rings are made up of fine dust particles and are relatively faint compared to those of Saturn.

Mars: Mars is the fourth planet from the Sun and is often referred to as the "Red Planet."

While it doesn't possess a large, visible ring system like Saturn or Jupiter, it does have a thin dust ring called the Deimos Ring.

This ring is composed of dust particles kicked up by the Martian moon Deimos as it orbits the planet.

Saturn: Saturn is renowned for its spectacular and prominent ring system. It is composed of countless icy particles ranging in size from micrometers to meters.

Saturn's rings are one of the most iconic features in our solar system and are visible even from small telescopes.

The other options listed do not accurately represent planets with ring systems:

Mars, Jupiter, Mercury: While Jupiter is included, neither Mars nor Mercury have prominent ring systems.

Mars has the minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter. Mercury does not have any known rings.

Mercury, Mars, Venus: None of these three planets have significant ring systems.

Mercury and Venus do not possess any rings, and Mars has only the minor Deimos Ring.

Neptune, Uranus, Jupiter: Neptune and Uranus both have ring systems, but Jupiter does not.

Therefore, this option does not accurately list three planets with ring systems.

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Out of the four options provided, the only combination that consists of three planets with rings is "Jupiter, Mars, Saturn."

Jupiter: Jupiter is the largest planet in our solar system and is well-known for its impressive ring system.

Although not as prominent as Saturn's rings, Jupiter's rings are made up of fine dust particles and are relatively faint compared to those of Saturn.

Mars: Mars is the fourth planet from the Sun and is often referred to as the "Red Planet."

While it doesn't possess a large, visible ring system like Saturn or Jupiter, it does have a thin dust ring called the Deimos Ring.

This ring is composed of dust particles kicked up by the Martian moon Deimos as it orbits the planet.

Saturn: Saturn is renowned for its spectacular and prominent ring system. It is composed of countless icy particles ranging in size from micrometers to meters.