I. Encircle the letter of the answer.

1. Which among the following is NOT a function of the blood?
A. It distributes nutrients to the cells and carries away waste from them.
B. It carries oxygen to the cells of the body.
C. It regulates core body temperature.
D. It aids in breathing.
2. Which of the following is NOT affected by damage on the right side of the brain?
A. Artistic Ability
B. Movement of right hand
C. Emotion
D. Creativity
3. What is the sac that protects the heart from overexpanding?
A. Septum
B. Myocardium
C. Pericardium
D. Heartstrings
4. Why must a person who suffers from chronic hyperacidity refrain from overeating?
A. It keeps the food moving in one direction.
B. It prevents the food from going down directly to the intestines.
C. It prevents the escape of hydrochloric acid because of indigestion.
D. It prevents the acid from fully digesting the food.
5. Which part of the digestive tract contains bacteria that produce vitamins such as Vitamin B and K needed by the body?
A. Stomach
B. Esophagus
C. Small Intestine
D. Large Intestine
6. Which lung is slightly shorter in length due to the position of the liver?
A. Left Lung
B. Right Lung
C. both sides of the lungs
D. They have the same length
7. Which stage of the human life cycle is considered as the metamorphosis stage?
A. Adulthood
B. Childhood
C. Adolescence
D. Old Age
8. Why are the villi an important part of the small intestine?
A. They trap bacteria from the food.
B. They prevent food from escaping the stomach.
C. They enlarge the area where food can be digested by the stomach.
D. They enlarge the surface area of the stomach where nutrients can be absorbed.
9. Which disorder of the liver results from a buildup of too much fat in liver cells?
A. Liver Cirrhosis
B. Fatty Liver
C. Hepatitis
D. Diabetes
10. Which enzyme helps digest the proteins?
A. Lipase
B. Leutin
C. Pepsin
D. Peptin
11. Which enzyme helps digest fats?
A. Lipase
B. Leutin
C. Pepsin
D. Peptin
12. What is the main function of the blood vessels?
A. to carry waste from the cells
B. to distribute carbon dioxide to the cells
C. to transport food molecules into the cells
D. to transport blood all throughout the body
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