A) Explain why bones are not completely smooth but contain features, such as foramina, ridges, fossae, and condyles.B) Why does body activity have an effect on the shape and size of these features?
Answers
A) Bones are not completely smooth, but rather contain a variety of features such as foramina, ridges, fossae, and condyles, due to a number of reasons:
Function: Many of these features are the result of the bone's function. For example, ridges and tubercles often serve as attachment sites for muscles, tendons, and ligaments, while fossae provide space for organs or other structures.
What is the function of foramina?Protection: Some features, such as the foramina, serve as passageways for nerves and blood vessels. By having these structures protected within bone, they are less vulnerable to injury.
Growth and development: Many of these features are also the result of bone growth and development, as bones adapt to the forces placed upon them during movement and other activities.
B) Body activity has an effect on the shape and size of these features for several reasons:
Mechanical loading: Bones respond to mechanical loading by undergoing a process called remodeling, in which bone tissue is removed and new tissue is laid down. This can result in changes in the shape and size of bone features as the bone adapts to the forces being placed upon it.
Muscle activity: The shape and size of many bone features are influenced by the attachment and activity of muscles. As muscles grow and change in response to activity, they can exert more force on the bone, leading to changes in bone shape and size over time.
Hormones: Hormones such as estrogen and testosterone can also affect bone growth and remodeling, leading to changes in bone shape and size.
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Related Questions
Plankton are most commonly found in the _______. a. pelagic zone b. littoral zone c. benthic zone d. all of the above please select the best answer from the choices provided a b c d
Answers
The pelagic zone is where plankton can be found most frequently.
Plankton is chlorophyll-containing photosynthesizing plants that make their own sustenance from carbon dioxide and sunlight.
They are autotrophic aquatic plants. Their roots have a good aquatic life adaptation.
Thus, the pelagic zone is where plankton is most frequently found.
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Why has coronavirus caused such spread around the world? *
Because it is antibiotic-resistant
Because it only infects old people
Because it is new to humans and we have never been exposed to it
Because of Severe acute respiratory syndrome, the original coronavirus never made it to the US
Answers
Answer:
3
Explanation:
Answer:
A. Because it is antibiotic-resistant
Explanation:
I would say that because the coronavirus does not respond to antibiotics nor any other viruses. They do treat bacterial infections but not viruses. As a result, the amount of cases grew without treatment and that led to global infection.
If a defensive compound is always present in an organism, then it MUST be a constitutive defense.
A. false
B. true
Answers
It MUST be a constitutive defense if a protective substance is constantly present in an organism. false.
What are organism?
A living system that performs as a separate unit is called an organism. Cells make up every living thing. The idea of an organism is based on the concept of a minimal functional unit of life. It has been suggested that three characteristics play an important role in qualifying as an organism: undivided - a structure that cannot be divided without loss of function individuality - the individual has both genetic uniqueness, genetic homogeneity and autonomy, distinction - genetic information must keep the "cellular" system open. Taxonomy divides living things into categories like multicellular animals, plants, and fungus, or unicellular microbes like protists, bacteria, and archaea. All types of organisms are capable of reproducing, growing and developing, being self-sustaining, and responding to some degree to stimuli. Beetles, squid, tetrapods, fungi, and vascular plants are examples of multicellular organisms that differentiate specialized tissues and organs during development.
A unicellular organism can be a prokaryote or a eukaryote. Prokaryotes are represented by two distinct domains: bacteria and archaea.
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Which system provides humans with the ability to perceive,understand and react to environmental events?
Answers
Answer:
The human visual system.
Explanation:
Give a fact about red blood cells
Answers
Answer:
Red blood cells (erythrocytes)
Red blood cells carry oxygen from your lungs to your tissues. They also bring carbon dioxide back to your lungs. Red blood cells make up almost half of your blood. The lifespan of a red blood cell is around 120 days
Explanation:
which of the functions below would not be applicable to the sympathetic nervous system? question 21 options: 1) dilation of the airway passages 2) constriction of the blood vessels of the skin 3) increase in metabolic rate 4) pupillary constriction
Answers
The functions below would not be applicable to the sympathetic nervous system constriction of the blood vessels of the skin.
The parasympathetic anxious system restores the frame to a calm and composed state and prevents it from overworking. The sympathetic nervous system after the amygdala sends a distress sign.
The hypothalamus turns on the sympathetic apprehensive gadget by sending alerts thru the autonomic nerves to the adrenal glands. those glands respond by using pumping the hormone epinephrine (also known as adrenaline) into the bloodstream.
The sympathetic apprehensive gadget (SNS) is a network of nerve cells jogging from the mind stem down the spinal twine and out into the frame to touch an extensive variety of organs, along with the eyes, coronary heart, lungs, belly and intestines, joints, and skin.
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WHICH OF THESE NUTRIENTS HELP IN INSULATION OF BODY AND ALWAYS REMAIN AS A SOURCE OF ENERGY?
A) CARBOHYDRATES
B)FATS
C) VITAMINS
Answers
Answer:
B)FATS
Explanation:
FATS HELP IN INSULATION OF BODY AND ALWAYS REMAIN AS A SOURCE OF ENERGY.
Which phylogenetic tree highlights the most recent common ancestor of all animals with four limbs (where limbs include legs, arms, and wings)
Answers
It draws attention to the taxon, or most recent common ancestor, of all tetrapods. The tips and nodes of the tree, respectively, represent groups of descendant taxa and common ancestors of descendants.
The evolutionary connections of biological species are described by the phylogenetic tree, often called phylogeny. The branching pattern of the phylogenetic tree illustrates how a series of shared ancestors gave rise to diverse species or groupings.
The phylogenetic tree helps us understand a person's complete life history or life.
Follow each taxon's lineage back in time (toward the base of the tree) until all the lineages meet to identify the most recent common ancestor of a group of taxa. Their most recent shared ancestor is represented by that node.
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Breeding a dog that is small and well suited for hunting small game is the result of…
A- evolution
B-natural selection
C-artificial selection
D-adaptation
Answers
Answer:
d
Explanation:
adaptation allows the dog to evolve for small game
Identify the process that allows the BRCA1 and/or BRCA2 mutation to be passed from parent to offspring and summarize how the difference in the DNA can cause a difference in the protein product.
Answers
Answer:
The process that allows the BRCA1 and/or BRCA2 mutation to be passed from parent to offspring is called inheritance. Specifically, these mutations are inherited in an autosomal dominant pattern, which means that a person who inherits one copy of the mutated gene from either parent will have an increased risk of developing certain types of cancer.
The difference in the DNA sequence caused by the mutation can result in a difference in the protein product. BRCA1 and BRCA2 genes encode proteins that help suppress tumor growth by repairing damaged DNA or triggering cell death if the damage is too severe. Mutations in these genes can lead to a dysfunctional protein product that is unable to perform these critical functions, thus increasing the risk of cancer development. The specific type of mutation can affect the severity of the dysfunction, with some mutations resulting in a complete loss of function while others only partially impair protein activity.
there is no doubt that obesity rates have risen dramatically in the united states. complete each sentence with an appropriate term.
Answers
The WHO conducted research that linked an increase in fast food sales to an increase in body mass index, and Americans are infamous for their fast food intake.
In America today, are obesity rates rising or falling?The adult obesity rate in the United States is now 42.4 percent, which is the first time the national rate has above the 40 percent threshold and another proof of the obesity rate issue in the nation. Since 2008, there has been a 26 percent increase in the national adult obesity rate.
When did America's obesity rate increase?When compared to the 1960s and 1970s, the prevalence of obesity increased dramatically over the following decades, rising from 5% in 1980 to 17% in children and from 13.4% in adults to 34.3% in 2008.
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what is a radius of 2 meters and height of 7 meters
Answers
Answer:
A point with a positive x-coordinate and a negative y-coordinate will lie in which quadrant?
Explana
why adenine(A) and thymine(T) are in roughly equal amounts? and why cytosine(C) and guanine(G) are in roughly equal amounts.
Answers
Answer:
A-T and C-G are complements so when there is an A in the nucleotide its complementary nucleotide will be a T, vice versa. This is the same with C-G as well.
Earth Science
Use the Mohs Hardness Scale chart to answer the question.
A mineral is scratched by apatite but not by calcite. What could its hardness value be?
Answers
Answer:It is above or equal to 3 but less than 5 on mohs scale
Explanation:
In order for medicine X to produce the effects that the researchers observed, it must have entered into which part of the targeted cells?
Golgi apparatus
nucleus
rough endoplasmic reticulum
ribosomes
Answers
Answer:
Nucleus
Explanation:
Answer:
In order for medicine X to produce the effects that the researchers observed, it would most likely need to enter the nucleus of the targeted cells. The nucleus is where genetic material, such as DNA, is stored and where gene expression is regulated. Depending on the specific mechanism of action of medicine X, it may need to interact with or affect gene expression in some way in order to produce its observed effects. While the other organelles listed (Golgi apparatus, rough endoplasmic reticulum, and ribosomes) are important for various cellular functions, they are less likely to be directly involved in the mechanism of action of a medicine.
Lipids commonly provide ______ energy to the body.
Answers
Answer:
Most of the energy required by the human body is provided by carbohydrates and lipids. As discussed in Chapter 3 "Carbohydrates", glucose is stored in the body as glycogen. While glycogen provides a ready source of energy, lipids primarily function as an energy reserve.Aug 13, 2020
Explanation:
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Answers
All - growth, exchange of gases, excretion, reproduction, and death (option d).
All living organisms undergo various life processes to maintain their existence. Let's analyze each option to determine which life processes are carried out by an organism's cells:
A. Only growth and exchange of gases: While cells are involved in growth and exchange of gases, they also participate in other life processes. This option is incomplete.
B. Only growth, exchange of gases, and reproduction: Cells play a crucial role in reproduction as they are responsible for the production of gametes and the process of cell division. However, there are additional life processes that cells also undertake.
C. Only growth, exchange of gases, excretion, and reproduction: This option includes excretion in addition to growth, exchange of gases, and reproduction. Cells participate in excretion by eliminating waste materials. However, there is one more life process that cells experience.
D. All - growth, exchange of gases, excretion, reproduction, and death: This option encompasses all the mentioned life processes. Cells are involved in growth as they undergo cell division and increase in number. They exchange gases through processes like respiration. Cells excrete waste products. They participate in reproduction through the formation of gametes and cell division. Lastly, cells also experience death as they have a limited lifespan.
Therefore, the correct answer is D. All - growth, exchange of gases, excretion, reproduction, and death.
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Fluoxitine is given to a client at a dosage of 500 mg every 6 hours. Assuming that the half-life of this drug is 3 hours, at what point would the drug level in the body be 62.5 mg of the original dose?
Answers
Answer:
The correct answer would be - 9 hours.
Explanation:
The half life of a drug is the time that is required to decrease or reduced to one half of the its original achieved level or the highest amount previously taken. The half life of drug is also known as the time a drug take to complete its action.
At a dose of 500 mg the Fluoxitine drug would be 250 mg in 3 hour as it is given that half life of this drug is 3 hours, 125 mg in 6 hours, and in the end 62.5 mg in 9 hours.
Thus, the correct answer is : 9 hours.
What does resolution mean in biology?
Answers
Answer:
the term 'resolution' is used to describe the ability of a microscope to distinguish detail.
Explanation:
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G
s
Which statement below correctly identifies what happens prior to the cell being allowed to enter the G2 stage of the cell cycle?
A. The cell makes RNA
B. The nucleus divides
C. DNA replication occurs
D.
The chromosomes align
Copyright
TER
Answers
Answer:c
Explanation:
The statement that correctly identifies what happens prior to the cell being allowed to enter the G2 stage of the cell cycle is DNA replication occurs. The correct option is C.
What is the cell cycle?The cell cycle is the process of replication of new cells from older cells. This process occurs in every eukaryotic cell. The process is divided into several steps. In the steps, every material of the cell is divided into two things, and it creates a replica of the older cell.
DNA replication is the process of replication of DNA. It makes a copy of DNA for the other cells. This process is completed into initiation, elongation, and termination. This happens before the cell enters the G2 phase of cell division.
Thus, the correct option is C. DNA replication occurs.
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Plants store….
of the energy absorbed from the sun.
Answers
Answer:
Inside the plant cell are small organelles called chloroplasts, which store the energy of sunlight.
Within the thylakoid membranes of the chloroplast is a light-absorbing pigment called chlorophyll, which is responsible for giving the plant its green color.
Food chains and food webs are....... used to describe energy transfers
Answers
Answer: As it goes down in the food chain, and as the energy is passed, only 10% is kept as energy- the rest is lost as heat.
Explanation:
A resident has control of her bladder. the person could not get to the bathroom in time because her call light was not answered promptly. the person was incontinent of urine. this is:
Answers
The person experienced urinary incontinence due to a delayed response to their call light, preventing them from reaching the bathroom in time.
Urinary incontinence refers to the involuntary loss of urine, resulting in the inability to control bladder function. In this scenario, the person had control of their bladder but was unable to reach the bathroom in time due to a delayed response to their call light.
Prompt response to a patient's call light is crucial in providing timely assistance, especially for individuals with mobility issues or urgent needs such as using the bathroom. When the call light is not answered promptly, the person may experience an episode of urinary incontinence.
The delay in responding to the call light can lead to the person being unable to reach the bathroom in a timely manner, resulting in the involuntary loss of urine. Factors such as limited mobility, urgency of the situation, or physical limitations may further contribute to the inability to control bladder function.
To prevent such incidents, it is essential for healthcare providers to prioritize prompt response to patient requests, ensure accessibility to call lights, and implement strategies to address individual needs and minimize instances of urinary incontinence.
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Hannah rescued an injured dog when she was on a road trip. Which veterinarian can help her in this situation?
A. a veterinarian who is into education
B. a veterinarian who works at an aquarium
C. a veterinarian who works in the food industry
D. a veterinarian who cares for laboratory animals
E. a veterinarian who specializes in shelter medicine
Answers
The veterinarian that can help Hannah in this situation is a veterinarian who specializes in shelter medicine.
The correct option is E.
Which veterinarian will help Hannah?Shelter veterinarians are trained to provide medical care for animals that have been rescued from the streets or are in a shelter.
They are experienced in handling and treating animals that have been injured or are in critical condition. They can diagnose the dog's injuries and provide appropriate treatment to help the dog recover.
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Listen
Which substances are produced in the citric acid cycle and fuel the next step in aerobic respiration?
O NADH and FADH2
O ADP and ATP
O NADH and Acetyl-CoA
O ADP and CO2
PLEASE HELPP THANK YOUUU
Answers
NADH and FADH2 are used in the next step of the aerobic respiration(electron transport chain) for their electrons, the energy they store in the electrons to be precise
Which of the following is not a piece of evidence to support that climate is changing?
1. Satellite images showing smaller land cover of ice caps and glaciers
2. Buoys and floats measuring a decrease in sea surface temperature of ocean
3.Tidal gauges and satellites measuring the sea level has increased
4. Satellites and weather balloons showing temperature of lower atmosphere increasing.
Answers
Answer:
2
Explanation:
that's the answer I think so.
hope it helps
A tall pea plant (Tt) is crossbred with another tall pea plant (Tt). T is the dominant tall allele. t is
the recessive short allele. Use the punnet square below to find the possible genotypes and
phenotypes of the offspring. In your answer, explain what goes in each box of the Punnett
square, the ratio for each genotype and phenotype, and explain the genotype and phenotype
possibilities. Make sure to explain and elaborate on your answer. .
Answers
Answer: 1 is Tall, because it is TT 2 is tall because it is Tt 3 is Tall because it is Tt and 4 is short because it is tt
Explanation:
1 is because there is 2 dominants TT which makes it go to the trait Tall, same with 1 - 3 since they are Tt, the dominant trait will show for 1 - 3. They are all genotypes because it is a physical trait that you can see because there tall and short
You bought a bunch of fruit to make a fruit salad for a summer picnic. You get home and realize the peaches, bananas, and pears are very hard and unripe. The picnic happens tomorrow! What plant hormone could you use to help ripen the fruit? O gibberellins O cytokinins O ethylene O auxin
Answers
The answer should be Ethylene
Ethylene is a gas produced by plants and fruits, it's typically known as the fruit rippening hormone. Every fruit all ready produces ethylene but by increasing it it will ripen your fruit faster.
Which countries have an earlier Country Overshoot Day than the United States?
Describe why you think that may be the case
Answers
Overshoot of a nation The length of the day varies from one country to the next and is determined by a complex interaction of social, economic, and environmental factors.
Why do Earth overshoot days differ amongst nations?Due to the fact that no two nations have the same biocapacity or ecological footprint, every country has a unique Overshoot Day. A nation has an ecological deficit and an earlier Overshoot Day if its demand for ecological resources outpaces its availability of biocapacity.
What day does the United States overshoot?The date on which Earth Overshoot Day would occur if everyone consumed similarly to how its citizens do is known as a country's overshoot day. Country overshoot days are released annually on January 1st.
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what role does energy play in the growth cycle
Answers
Answer:
A part of energy is stored within the plants. The remaining energy is utilised by plant in their growth and development