Controls usually involve only one organ or tissue.
a) extrinsic
b) intrinsic
c) both a and b
d) none of the above
no one answered so i guessed b and got it right, answer is b

B. Intrinsic

Explanation:

Intrinsic controls are also known as local controls involve only one organ or only one tissue. Intrinsic controls allow the organ or the tissue to maintain homeostasis on their own. For example, the heart it controls its heartbeat. As a response to changing blood volume, the heart adapts to it by controlling its heartbeat.

d. making up measurements to record.