Answer:
Causes contraction of the muscles
Explanation:
Ballistic stretching utilizes the energy of a moving body or an appendage trying to constrain it past its typical scope of movement. This is extending, or "heating up", by skipping into (or out of) an extended position, utilizing the extended muscles as a spring which hauls you out of the extended position.
This stretching is not usually recommended as the chances of injury in this stretching are at higher risk.
From what I know the most serious is melanoma. If not caught early, it can easily spread to other parts of the body.
Answer:
health is most important. Scince is composition on physics,chemistry ,biology astronomy and other subjects. only boilogy represents health. But only biology isnot inlisted so that the health education is an applied science ratger than a pure science.