Answer:
A. concentrating your stretching on your legs and back
Explanation:
To improve flexibility in certain area you need to concentrate in it, so stretching your legs and back will help improve flexibility in those areas
A
The more you stretch your legs and back the more you improve your flexibility. It decreases in the risks of injuries
Hoped this helped!
Answer: o Walking, static stretching, calming down: Cool down
Ying and Yang
c
C. Prefrontal Cortex
I calculated it logically
Muscular System