A placenta would the answer because that is whats used during pregnancy. please mark brainiest answer XD
Answer:
It is called oxygen-rich blood.
Explanation: The heart pumps blood to all parts of the body. Blood provides oxygen and nutrients to the body and removes carbon dioxide and wastes. After the blood gets oxygen in the lungs.
Stress you will need to get incharge and take med bord maybe a pill 2
FALSE!!!!!!! U expect a strange to be used all over again!?!?!?!
