The 3rd one exploring the positives and negative’s of each option your not supposed to explore the negative side
Medulla Oblongata
The lower part of the brain stem ( the part connected to the spinal cord) controls most of the functions you dont think about.<span />
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.