Digestion and Excretion Quiz
1. What is the main function of the digestive system?
a) To absorb nutrients from food
b) To pump blood throughout the body
c) To regulate body temperature
d) To filter waste from the blood
2. Which of the following organs is NOT part of the digestive system?
a) Liver
b) Kidneys
c) Stomach
d) Small intestine
3. Where does digestion begin in the human body?
a) Mouth
b) Stomach
c) Liver
d) Small intestine
4. What is the role of enzymes in digestion?
a) They break down food into nutrients that can be absorbed by the body
b) They help regulate body temperature
c) They produce energy for the body
d) They transport waste out of the body
5. Which of the following is NOT a function of the excretory system?
a) Regulating blood pressure
b) Removing waste from the body
c) Maintaining water balance
d) Producing hormones
6. What is the primary waste product excreted by the kidneys?
a) Carbon dioxide
b) Urine
c) Feces
d) Sweat
7. Which of the following organs is NOT part of the excretory system?
a) Bladder
b) Liver
c) Kidneys
d) Ureter
8. How does the urinary system help maintain homeostasis in the body?
a) By regulating body temperature
b) By eliminating excess fluids and waste products
c) By producing hormones
d) By breaking down nutrients for energy
9. What is the role of the liver in the excretory system?
a) Filtering waste from the blood
b) Producing urine
c) Absorbing nutrients from food
d) Regulating body temperature
10. What is the function of the large intestine in the digestive system?
a) Absorb water and electrolytes from undigested food
b) Break down proteins into amino acids
c) Produce bile for digestion
d) Store and eliminate waste from the body.