The greatest resistance to blood flow and therefore the greatest drop in pressure occurs as blood passes through the

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation:

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

the animal that would be cutest if scaled down to the size of a cat? elephant