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Directions: Choose the letter of the best answer.
_____1. Which structure prevents the swallowed food from going into the trachea?
a. Epiglottis c. Pharynx
b. Larynx d. Tonsils
_____2. What do you call the rhythmic, wave-like movement of some muscles in your body?
a. Contraction c. Peristalsis
b. Constriction. d.Relaxation
_____3. What happens to the muscle when it contracts?
a. It shortens c. It becomes round
b. It lengthens d. It becomes flattens
_____4. Which of the following is an example of an involuntary muscle?
a. Muscles of the arms c. Muscles of the hands
b. Muscles of the thigh d. Muscles of the heart
_____5. How does the nephrons of the kidneys function?
a. It filters the blood.
b. It stores unfiltered blood.
c. It collects and stores waste.
d. It serves as a passageway for the blood.
_____6. Which of the following blood vessels carry deoxygenated blood?
a. Artery c. Capillaries
b. Arterioles d. Veins
_____7. Which of the following is NOT a function of the skin?
a. Regulation of body temperature c. Digestion
b. Excretion d. Sensation
_____8. What are the small chambers in the lungs where gas exchange happen?
a. Alveoli c. Bronchi
b. Atria d. Trachea
_____9. Which of the following glands produce sebum?
a. Oil glands c. Salivary glands
b. Pores d. Sweat glands
_____10. What happens to the body when the kidney stops working?
a. The body sweats a lot.
b. The body will develop new kidneys.
c. The body becomes healthy and strong.
d. The body accumulates poisonous substances in the blood.
_____11. What structure protects and nourishes both brain and the spinal cord?
a. Nerves c. Spinal column
b. Meninges d. Thalamus
_____12. Which of the following makes your hair black and your skin dark?
a. Melanin c. Sebum
b. Oil d. Sweat
_____13. What is the basic unit in the nervous system that collects and carries nerve impulses?
a. Nerve cell c. White blood cell
b. Red blood cell d. Nephron
_____14. Which of the following structure act as a shock absorber for the bones?
a. Cartilage c. Muscles
b. Ligament d. Tendon?
_____15. The heart is a muscular organ which continuously pumps blood. Why is that you cannot control it’s pumping just like how you control the muscles of your arm?
a. It is voluntary muscle. c. It is very elastic muscle.
b. It is a very strong muscle. d. It is an involuntary muscle.
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