OK so for this one flexibility programs are designed for all ages because you can stretch and do any kind of exercise that involves stretching so the best choice is option D.
Answer:
Autonomic nervous system
Explanation:
The Autonomic nervous system has to do with the "fight or flight" and "rest and digest" branches. It has to do with increased heart rate, butterflies in the stomach, etc.
Do you have answer choices, or is this an open-ended one?
