Giving 15 points to whoever answers this. What is one way space travel affects the human body? A. Too little blood flows to the upper body. B. Leg muscles become stronger. C. Too much blood flows to the upper body. D. The heart pumps harder with less gravity.

Answer

The heart pumps harder with less gravity.

Q:What are the options? A:Option A. Too little blood flows to the upper body. Option B. Leg muscles become stronger. Option C. Too much blood flows to the upper body. Option D. The heart pumps harder with less gravity.
Q:What is the correct answer? A: The correct answer is D. The heart pumps harder with less gravity.