A zero gravity chamber simulates the weightlessness that astronauts experience in space. Which of the following will most likely happen to a person inside a zero gravity chamber? A. The person will feel energetic because the heart rate will increase.
B. The heart rate will slow down because the blood vessels will have less blood to circulate.
C. The person will feel dizzy because the heart will pump less blood per beat.
D. The heart will pump less blood per beat because the blood vessels will have less blood to circulate.