I would go with choice A) Anger because resentment means jealousy and envy, so no, not guilt because that means u think u are the one to blame for the death but the question says anger at other people so no, and not acceptance because this is being kind rather than angry so answer is the first option.
It's Wolff Law
Developed by Julius Wolff in the 19th Century, it stated that the bones in a healthy person will adapt to the loads under which it's placed. That's mean the greater the stress that they experience on their bones, the stronger their bones become
The body organ that gets rid of nitrogenous waste is the kidneys
A lymphatic organ that helps develop the immune system is the thymus gland.
Training too many times a week and not letting your body rest.