Hi,
The answer would be A, True.
~Elisabeth
Answer:
a child develops as a growth on the parents body. ==
mothers womb ( may be )
Answer:
closed circulatory system has the blood closed at all times within vessels of different size and walk thickness. blood is pumped by a heart through vessels and does not normally fill body cavities
.. Any substance<span>that the body regards as being foreign. antigen-antibody </span>reaction<span>. Involves the binding of antigens to antibodies; also known as the immune </span>reaction<span>.</span>