13. What paired organs in your body that remove waste products in the blood to excrete the
waste products in the form of urine?
a. Heart
b. Kidneys
c. Lungs
d. Stomach
14. Which of the following should we need to AVOID keeping our kidneys healthy?
a. Keep active and fit
b. Drink plenty of fluids
c. Eat salty foods
d. Monitor weight and eat a healthy diet.
15. Which internal part of the body provide framework and support, thus without these your body
will collapse?
a. Lungs
b. Bones
c. Kidneys
d. Intestines
16. What would happen to your bones if you lack calcium intake?
a. Your bones will become strong
b. Your bones will become healthy
c. Your bones will become flexible
d. Your bones will become brittle and weak​