Muscular strength is how much force your muscle can produce in one movement while muscular endurance is how well your muscles can repeat movements.
The answer is B. You don't want to put too much stress on those 2 areas or else they might get tired more easily
The answer would be A, behavior. In terms of good physical health, we can control our behavior by practicing a healthy lifestyle.
People of both genders can be healthy so gender is eliminated. People can practice good health in almost any environment so that choice is eliminated. The last choice is eliminated because positive measures towards physical health can be made by all people regardless of genetics.
Hope this helps! :)
Try Proteins. Protein is a huge component of body tissues.
I believe you are looking for the answer healthy people.gov