Answer: Menstruation, also known as a period, is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina.
D bipolar disorder
People with bipolar disorder tend to drastically switch moods for no given reason. Jason was probably bipolar as he was feeling down and had no energy last month, but now he is suffenly energetic and wants to do a lot of things.
Rulers and governments decided that only trained and licensed physicians could practice medicine.
B.
Women began to participate in medical vocations like nursing in large numbers.
C.
Doctors discovered medical advancements made bythe physicians of Arabia and Asia.
D.
Physicians discovered accounts of surgery performed bythe Ancient Greeks and Romans.
the answer is c It builds up a higher level of oxygen in the blood
Answer:
Explanation: