Medical and fitness experts concur that stretching is an important part of an exercise program, designed to prevent injuries, reduce muscle tension, and promote flexibility.

The correct answer is - True.

Explanation:

Stretching is one of the most essential routines of the exercise routine or program that helps in avoid injuries and relax muscles that reduce muscle tension and increase flexibility in an individual.

Stretching is an exercise includes specific muscle or tendon that is deliberately stretched or flexed in order to promote the muscles to develop elasticity.

Thus, the correct answer is - True.

to increase speed you need to decrease frictiona dn drag hense why sprinters wear tight track suits to keep tight against there skin to keep away from wind and decrease the amount of drag you are carrying.a swimmer will wear the tightest swim suit they can possibly fit into (i was a size 28 swim suit at meets i wore a   size 23) why? because the tighter your clothing is the less drag and negative force you have. the heavier the clothe the slower and more wind gets caught. cotton tends to hold onto alot of sweat and water making it slower then say a track suit (no idea what they are made of but they are really comfy around your answer )

answer; i do believe that the correct answer is ( portal of exit in the chain of transmission); good luck