You don’t HAVE to have it but it can improve your energy for a workout and help build muscle
Answer:
<em><u>B</u></em>
Explanation:
cell is the first organization level
tissue is the second level
organ is the third level
organ systam is the fourth level
organsim is the last organization level
Cholestrol streghtens the cell memebrane. Its STRUCTURE gets fixed in the cell membrane and then performs its FUNCTIONS that is to strengthen the cell membrane