The answer would be pubic hair. Because, secondary sexual characteristics.
Visible secondary sex characteristics are nonreporductive sexual characteristics.
For males things that will start to show are pubic hair, facial hair, and Adam's apple.
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.
Answer:
You must be taking an test. Anyways the interesting thing about the heart it is the size of an adult fist.
Research
has found that there are health risks associated with how fat is
distributed in the body. In which area of the body is fat the biggest
risk to health?
<span>- abdomen</span>