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.

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'.

the real answer is b. scintillation counter

me and my friend did 2