Fats have the most calories per serving.
Hope this helps!!
Answer:
D. estrogen and progesterone
Explanation:
Girls don't have testosterone :) lol
Unlike T lymphocytes, B lymphocytes D.) DISCOVER ANTIGENS IN BODY FLUIDS.
B lymphocytes cannot directly attack infected cells. Instead, they produce antibodies that discovers and hijacks the antigens in body fluids like blood.
B. Is a single layer of flattened cells