<span>Yes, uncle, but you want to ask me questions<span>.</span></span>
The answer is a, medial. Medial means toward the midline (or middle) of the body. The heart is closer to the midline of the body in comparison to the shoulder.
Answer:
l beg your pardon. We are all trying to learn here. Don't talk trash
So its acquired immunity and the cells responsible are the B lymphocytes that produces antibodies against the virus. Memory is keep since first encounter of the virus by the immune system by way of the antibodies that was initially produced. The antibodies are there already, which makes it fast to act upon when expose again.