6. What does the urinary bladder do? A It temporarily stores urine from the kidneys.
B. It keeps the waste products.
C. it eliminates all the food
D. it produces blood

7. Among the many organs of the body, the brain is considered one of the most important. Which of the following correctly describes its function?

A It controls all bodily activities and functions. wastes
B. It facilitates the elimination of
C. It regulates blood pressure
D. It stimulates the production of blood

8. The heart is one of the most important organs of the body. Which the following correctly describes its function?

A. It is the main organ of the

c. It cleanses the body from the nervous system. unwanted waste materials.

B. It eliminates waste mater- ials from the blood. it into the different parts of the body

D. it pumps blood and distribute it into the different parts of the body​