3. What will happen to the body when the kidneys stop working?
a. The body accumulates poisonous substance in the blood.
b. The body becomes healthy and strong.
c. the body sweats a lot.
d. The body will be dehydrated.
4. What is NOT filtered from the blood by the kidneys?
a. excess salt b. excess water C. oxygen
d. urea
5. Urine is finally forced out of the body by the
a. contraction of the smooth muscles of the bladder
b. peristalsis of the smooth muscles of the ureters.
c. the pumping of the cardiac muscles of the heart
d. the filtering of the nephrons of the kidney
6. A muscular sac where urine is temporarily stored.
a. ureter
b. kidneys
c. urethra d. urinary bladder
7. The filtering unit of the kidney
a. ureter
b. urethra
c. bladder d. nephron
8. The procedure by which the blood undergoes artificial filtering to remove wastes.
a. defacation b. exhalation c. haemodialysis perspiration
9. The organ through which urine leaves your body.
a. anus
b. skin
c. kidney d. urethra
10. The process by which wastes generally leave your body.
a. digestion b. excretion c. respiration d. perspiration