Circle the letter of the correct answer.
1 Which moves the food from the esophagus to the stomach?
a. Swallowing
b. fluid
2. It is the organ where digestion starts
C. peristalsis
d. digestion
a. Mouth
C. stomach
b. Small intestine d. large intestine
3. Which organ takes nutrients from your food and puts it in your bloodstream?
a. Stomach
b. esophagus C. small intestine d. large intestine
4. In which part of the digestive system are proteins digested completely?
a. Stomach
C. small intestine
b. Large intestine d. esophagus
5. In which part of the digestion system does digestion end?
a. Mouth
C stomach
b. Small intestine d. large intestine
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 wnich the biood undergoes artificiai fiitering to remove wasies
a. defacation
b. exhalation chemodialysis durethra
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​