1. The process of bringing oxygen to the body cells
to burn the food and harvest its energy.
a. Respiration
b. Photosynthesis
c. Digestion
d. Circulation
2. In order to burn food and release energy, our body cell need what element?
a. Hydrogen
b. Nitrogen
c. Carbon
d. Oxygen
3. The ff. are key parts of respiratory system EXCEPT.
a. Heart
b. Nose
c. Bronchioles
d. Alveoli
4. It is considered a waste product of the cell.
a. O2
b. CO2
c. N2
d. H2
5. It is where the exchange of gas occur.
a. Pleura
b. Nasal passage
c. Bronchi
d. Alveoli
6. It protects the lungs from mechanical injury.
a. Ribcage
b. Fats and protein
c. Nose
d. Bronchi
7. A hollow muscular organ, and function as a double pump.
a. Lungs
b. Diaphragm
c. Heart
d. Brain
8. Component of blood that play a vital role in the body's immune system, the primary defense mechanism againts invading bacteria, viruses, fungi and parasites.
a. RBC
b. WBC
c. Plasma
d. Platelets
9. The lower chamber of the heart
a. Atria
b. Tricuspid
c. Ventricle
d. Septum
10. How bis is your heart? The size of your _____?
a. Fist
b. Palm
c. Brain
d. Cannot be determine
11. The ff. are the diseases in the circulatory system EXCEPT.
a. Hypertension
b. Arterioclerosis
c. Heart attack
d. Cough​