Directions: Read each item and encircle the letter of the correct answer.
1. What happens when the blood reaches the lungs?
A. It becomes red.
B. It mixes with carbon dioxide
C. It leaves urine and carbon dioxide.
D. .It gives off carbon dioxide and absorb oxygen.
2. Which system distributes oxygen- rich blood to the different cells of the body?
A. Circulatory B. Digestive C. Excretory D. Respiratory
3. How can jogging, running and other forms of exercise make you healthy?
It can ___.
A. make one grow taller
B. make one tired and sleepy
C. provide rest and relaxation
D. improve the flow of blood and oxygen in the body
4. Which organ filters unwanted materials coming from the blood?
A. Kidneys B. lungs C. muscles D. ribs
5. Why is the heart important?
A. It stops the flow of blood.
B. It checks the flow of blood.
C. It occupies the chest cavity.
D. It makes the blood flow throughout the body.
6. Anna always eats rice and chicken every day and she is undernourished.
Why?
A. Rice has no nutrient.
B. Anna eats expensive food.
C. Chicken has too many nutrients.
D. Anna does not get other necessary nutrients.
7. Why is it necessary to wear helmet when riding a motorcycle>
A. to protect the spinal cord
B. to protect us from the heat of the sun
C. to protect the head from any accident
D. to prevent the air from entering the ears
8. Which of these can cause a serious injury to the nervous system?
A. Bad fall C. studying hard
B. Drinking coffee D. too much exercise
TEST YOUR SKILL
11
9. In which blood vessels does the exchange of oxygen and food nutrients and
waste materials from the blood take place?
A. In the arteries C. in the veins
B. In the heart D. in the capillaries
10. Why should the brain be protected from injury?
A. It controls the muscles
B. The brain enables you to think.
C. The brain controls all the senses.
D. All of the above
11. There are some fat but sickly people. Why?
A. They eat too much.
B. They do not exercise.
C. They do not go to the doctor.
D. They eat the wrong kind of food.
12. Who among the following children will grow healthy and strong?
A. Rose who like meat and rice only.
B. Miguel who likes fruits and vegetables only.
C. Justine who loves soft drink and junk foods.
D. Marie who eats go, grow and glow foods in right amount.