Answer:
Receptors in muscles provide the brain with information about body position and movement. The brain controls the contraction of skeletal muscle. The nervous system regulates the speed at which food moves through the digestive tract.
The cold water immersion has four phases. The first one is Cold Shock Response, the second Cold Incapacitation, the third Hypothermia and the last Circum-rescue Collapse or also called post-immersion collapse. Stage 4 (post-immersion collapse) of cold water immersion can occur even after being rescued. During this stage senses are heightened and stress hormones are surged through the body, helping the person survive. After the rescue <span>a mental relaxation occurs. This creates decreased output of the stress hormones. Blood pressure drop and muscles fail, causing collapse.</span>
A. because an helmet is mainly made for your head to support your head. good luck
All of the above. I think because all of those are important.