Apattern of behavioral, emotional and physical symptoms that appear before the start of the menstrual cycle and end the first day of a woman’s period is known as:

Pre-Menstrual Syndrome

Explanation:

The premenstrual syndrome commonly known as premenstrual tension (PMS) is actually a syndrome because it encompasses very broad symptoms, both psychic and physical. Characteristically, they are recurrently present only in the second half of the menstrual cycle and relieve after the onset of menstruation. They are: depression, confusion, irritability, fatigue, breast pain, bloating, headache, bloating, weight gain and mild acne.

what effect does exercise have on the nervous system?

the answer is c.