1. The following are the functions of the skeletal system, except

a. It gives shape to the body.

c. It protects the internal organ of the body.

b. It serves as the framework of the body.

d. It circulates oxygen and removes carbon dioxide

2. Why is bone marrow important to the body?

a. It stores much fat.

c. It produces red blood cell

b. It makes the bone strong.

d. It produces new bone cell.


3. It manufactures the blood cells in the body.

a. bone marrow

b. blood

c. blood cell

d. hinge joints

4. Which body system that protects the organs of the body such as the heart, lungs, and brain?

a. skeletal system

c. muscular system

b. circulatory system

d. digestive system

5. What system is composed of the mouth, esophagus, stomach, small intestine, and large intestine?

a. Digestive System

c. Integumentary System

b. Respiratory System

d. Circulatory System

6. Where does digestion begin?

a. nose

b. esophagus

c. mouth

d. rectum

7. Where does final digestion take place?

a. small intestine

b. large intestine

c. esophagus

d. mouth

8. Which shows the correct order of food travelling through the digestive system after it is swallowed?

a. stomach, esophagus, large intestine, small intestine

b. small intestine, large intestine, esophagus, stomach

C. esophagus, stomach, large intestine, small intestine

d. esophagus, stomach, small intestine, large intestine

9. Which of the following statements best describes the function of the digestive system?

a. It releases acids and mixes food.

b. It aids in absorption of nutrients from food.

c. It carries food from stomach to the intestine.

d. It breaks down food so that the body can absorb food nutrients.

10. Which of the following statements best describes the skin?

a. the largest sense organ

b. receives information about your environment

c. protects your body in any way

d. all of the above​