You can elnimate the moon and mars so the answer is a star
The answer is d. prevention of muscle strains. Other benefits
of flexibility are Joint health, prevention of low back pain injuries, temporary
reduction of post-exercise muscle soreness, relief of aches and pains, relief
of muscle cramps, maintenance of good posture and balance, relaxation.
D. DNA replication
DNA always forms proteins
Coordinates muscles controlling breathing ..
Hope it helps.