Answer:
B.
Explanation:
The placenta is a flattened circular organ in the uterus of pregnant eutherian mammals, nourishing and maintaining the fetus through the umbilical cord.
The statement "Endorphins are generated in the body during exercise, which leads to better emotional health." would be true.
Early civilizations used plants as medicine.
Well no-one really know's but my perception of life is all a big lesson for what will be in the afterlife.
The answer for this question can find it on YT;
Explanation