Answer:
The rate or change of velocity over time
I think heat. I could be wrong tho
Answer:
In the male anatomy, the autonomic nervous system, also known as the fight or flight response, produces testosterone and activates the sympathetic nervous system which creates arousal. Stress causes the body to release the hormone cortisol, which is produced by the adrenal glands.
Explanation:
I'm pretty sure everyone changes from a child to adult, so i'm going with true.