The answer is letter B.
In the event that a person suddenly stops after an intense workout without cooling down, aneurysm and heart attack are possible to happen. During an intense workout everything in the body is performing extra. This extra performance causes the heart to pump at a faster rate, the blood vessels to dilate, the muscles to contract at a speedy rate, among others. Cooling down is an essential part of any fitness program as this slowly brings the body back into homeostasis. It is often overlooked by many but the risks of possible accidents to happen are high when this is not performed in exercise.
The scrotum protects them.
I believe your answer is the portal of exit
Explanation:
I guess Muscle strength and endurance then there is Cardiovascular Endurance that can help. Flexibility not so much. Body composition helps very much.
Answer:
My final answer would be Body Composition. Nothing else matters that much. In order to swim you need to use to use your body.