Question

multiple choice question
what does exercise do to venous return?

it decreases it.

it increases it.

it has no effect on venous return.

Explanation:

During exercise, muscle contractions act as a "muscle pump," squeezing veins and increasing blood flow back to the heart (venous return). Also, increased respiratory activity and vasodilation contribute to higher venous return. So exercise increases venous return.

Answer:

B. It increases it.