Question

Which of the following is most likely to be observed by a physiologist?
A) ATP is made up of adenine, ribose, and a phosphate chain.
B)Bone is a rigid connective tissue.
C) Hormones control the rates of reactions and regulate blood pressure.
D)The nervous system is composed of neural tissue.

Answer 1

A physiologist is a person who is concerned with the study of the functioning of the body of the animals and plants under the normal conditions as well as abnormal conditions. A physiologist will notice that the hormones of an organism controls the rate of the reactions and regulate the blood pressure, as it is the part of the functioning of the body.

Hence, the correct option is 'hormones control the rate of the reactions and regulate the blood pressure'.

Answer 2

The most likely to be observed by a physiologist is Option C. hormones control the rates of reactions and regulate blood pressure.

• A physiologist is a biologist who studies how cells function on a biological level.

• Hormones are chemical messengers produced by the endocrine system that travel in body fluids (e.g., bloodstream) to transmit messages to different tissues and cells of the body.

• In humans, some of the most important functions of hormones include metabolism, reproduction, growth, and mood.

• For example, thyroid hormones help to regulate the rate at which cells break down food to release energy. In consequence, the more thyroid hormone there is circulating in the bloodstream, the higher the metabolic rate.

• Moreover, different hormones (e.g., epinephrine, norepinephrine, renin-angiotensin, aldosterone, etc.) also act to control blood pressure.

In conclusion, a physiologist observes how hormones control the rates of reactions and regulate blood pressure (Option C).

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