Muscles work through a series of contractions, meaning they become shorter and thicker. Muscles work in pairs to move your bone. Therefore one muscle in the pair will contract to move the bone in one direction, while the other muscle will contract to move the bone back.
Answer:
The Answer is <em>sacrificing energy</em>
Explanation:
Aerobic exercise will help the heart abs it trains it to work better without oxygen
Only one that is true is the amount of alcohol in one drink is most important in determining impact than type of alcohol
