What ear structure vibrates back and forth when sound waves strike?

Answers

Answer 1
Answer:

Answer:

See explanation

Explanation:

The tympanic membrane or eardrum serves as a divider between the outer ear and the middle ear structures. It is gray-pink in color when healthy and consists of three very thin layers of living tissue. The eardrum is very sensitive to sound waves and vibrates back and forth as the sound waves strike it.


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Research is performed under_________
_________state and federal___________

Answers

Answer:

Research is performed under both state and federal regulations.

State regulations vary depending on the state in which the research is being conducted, but typically involve obtaining institutional review board (IRB) approval, ensuring the safety and welfare of the subjects, and respecting their rights to privacy and confidentiality.

Federal regulations include the Common Rule (45 CFR 46) and the regulations of various federal agencies such as the Food and Drug Administration (FDA) and the National Institutes of Health (NIH). These regulations provide further guidance on the conduct of research involving human subjects, animal subjects, and other sensitive areas such as gene therapy and stem cell research.

Overall, research must adhere to both state and federal regulations to ensure the ethical and lawful conduct of scientific inquiry.

I hope this helps!

Drugs like steroids are controlled substances. They are illegal and dangerous to take without a prescription. Some athletes take them to __________.

Answers

Stimulate muscle growth

Answer:

C. stimulate muscle growth

Explanation:

An individual has sarcopenia In order to prevent this condition from becoming any worse, what action should be taken?

Answers

Sarcopenia is a condition that involves the loss of muscle tissue, and is part of the natural ageing process. Because it comes with ageing, it cannot really be stopped. However, there are some things you can do to prevent it or slow it down. Treatment includes: diet, hormone replacement, and exercise.

Final answer:

To prevent sarcopenia from worsening, an individual must engage in regular physical activity, maintain a diet rich in proteins, Vitamin D, Omega-3 fatty acids, and keep a healthy body weight.

Explanation:

Sarcopenia is a condition characterized by the loss of skeletal muscle mass and strength, which often affects older people. In order to prevent this condition from worsening, specific prevention strategies should be incorporated into the individual's lifestyle. These strategies primarily include physical activity, especially resistance and balance exercises, which have been found to improve muscle function and slow down the loss of muscle mass.

Alongside physical activity, ensuring adequate nutritional support is also critical. This involves a balanced diet that is rich in protein and contains sufficient amounts of Vitamin D and Omega-3 fatty acids, which can help in maintaining muscle health. Lastly, maintaining a healthy body weight can also contribute to sarcopenia prevention.

Learn more about Sarcopenia Prevention here:

brainly.com/question/34360068

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What causes you stress in your life?

Answers

Some examples could be school (homework/making friends) or either working as well.. sometimes issues at home with family or just society today people want you to look/act a certain way

The ability of the cardiovascular and respiratory systems to efficiently transfer oxygen and nutrients to skeletal muscles is known as:endurance
cardiorespiratory fitness
muscular fitness
composition

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It's known as Cardiorespiratory fitness.

I believe the answer is Cardiorespiratory fitness.

How can a person with lactose intolerance obtain dietary calcium? A. Take a pill that helps to digest lactose before eating dairy products.
B. Eat foods that contain oxalates to maximize calcium absorption.
C. Eat lots of fresh shellfish.
D. Eat lots of whole grains.

Answers

The correct answer is D. Eat lots of whole grains. Calcium can be found in lots of grains and in vegetables too which is why you should take them on a regular basis. A good example for this is soy and drinking soy milk that can help you with calcium without providing you with lactose. It can also be found in nutty fruit.