6. Which body system turns the food you eat into nutrients?

a. Circulatory b. digestive c. integumentary d. muscular



7. Digestion begins in what part of the digestive system?

a. Esophagus b. mouth c. saliva d. stomach



8. Which is NOT true about skin?

a. It insulates the body c. it regulates body heat

b. It protects the organs d. it gives mass to the bones



9. What specific process allows our body to expel carbon dioxide?

a. Excretion b. exhalation c. inhalation d. perspiration



10. Which of the following is NOT a good practice in taking care of the body?

a. Having regular exercise c. observing proper hygiene

b. Eating too much sweet and salty foods d. eating well-balanced diet

​