Which of the following tasks must the circulation control mechanism accomplish?
A) Maintain circulation.
B) Vary the volume and distribution of the blood circulated.
C) Make sure that all cells receive the same amount of blood to maintain nutrient and oxygen levels.
D) Both A and B are correct.

Question

Quizplus · Accepted Answer

The circulation control mechanism must not only maintain circulation (choice A), but also be able to vary the volume and distribution of the blood circulated (choice B) in response to changing conditions such as exercise or injury. It does not necessarily ensure that all cells receive the same amount of blood (choice C), as some tissues may have higher metabolic demands and require more blood flow.

Which of the Following Tasks Must the Circulation Control Mechanism