Answer:
The official definition for cardiorespiratory endurance is "Cardiorespiratory fitness refers to the ability of the circulatory and respiratory systems to supply oxygen to skeletal muscles during sustained physical activity."
Based on that, the answer is A.
*<u><em>Just for citation purposes, the definition is from Wikipedia.</em></u>
The Centers for Disease Control
Explain that even though he has already had sex, it is ok to change his mind.
Suggest that he talk to a trusted adult.
The other options may offend a person
Digestions finishes in the small intestine. If small intestine is removed from the body, the digestion would be incomplete. All the nutrients from food would not be absorbed into blood. Organism will be in short of energy. hoped this helped