Answer:
B
Explanation:
You do not need to know what bone density is when you are relating it to fitness because it has no relevance.
You can line them up by the sink tell them to wash their hands and sing them the handwashing song song.
Answer:Sometimes STDs or other sicknesses, and the risk of getting pregnant if you are female .
Explanation:
Capillaries connect arterioles and venules and enable the exchange of water, oxygen, carbon dioxide .