False. Although the others listed may be acceptable, classroom volunteers should not be allowed access to a child’s file which makes the entire statement false.
What about this certain substance
<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>
