Answer:
A. Filtering Blood to Remove Unwanted Waste
Explanation:
Excretory system is comprised of Kidneys, liver, lungs and skin.
Answer:
Premenstrual Syndrome. Many women feel physical or mood changes during the days before. menstruation. When these changes affect a woman’s normal life, they are known as premenstrual syndrome (PMS). Premenstrual syndrome can affect menstruating women of all ages
Explanation:
It only does when the body runs out of energy
