His reflexes. He reacted to the sound quickly, but his motor cortex didn't fire quickly enough to cause his muscles to move in time.
To make sure there are no other dangers in the vicinity of the victim.
Answer:
To send blood through the body.
Explanation:
“Every time your heart beats, it sends blood throughout the body.”
Body composition is used to describe the percentages of bone, water, fat, and muscle in human bodies.
