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.
Anatomist: analyse the structures within the heart champers.
Physiologist: monitor heart rate
Answer:
A
Explanation:
They are just then finishing therefor that persons heart rate is probably going to be very high.