Answer:
A. They destroy antigens because they are a foreign object.
<span>Platelet is a term that is not used to refer to white blood cells. Platelets are the smallest of all blood cells, and make up a very small fraction of blood volume. The function of platelets is to prevent bleeding, whereas the function of white blood cells is to fight off infection and increase immunity to disease.</span>
Answer:
Humans are social creatures.without being around others we cannot really function, science has proven that humans learn off of other humans we mimc they're behaviors and actions.Without friends and other social activities then we wouldn't be able to act accordingly basically like robots we would have trouble functioning.
Explanation: