O2-rich blood travels through arteries, then arterioles, and finally capillaries.
Answer:
the 1st one
Explanation:
bc the SECOND one is kinda freaky
The answer is B: fat gives your body energy to function, while muscle mass is used only to perform strenuous activity. This option is only correct because the statement includes the words, "muscle mass." If it was only "muscle," then it would be wrong.
