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2. What is the function of the Respiratory System? *

a. Helps remove CO2 from the body

b. Facilitates the diffusion of O2 into the bloodstream

c. transport air to the lungs

d. all of the above

3. Which pattern shows the correct order of the components of Respiratory System? *

a. nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli, diaphragm

b. Pharynx, nasal cavity, larynx, trachea, bronchi, bronchioles, alveoli, diaphragm

c. nasal cavity, larynx, pharynx, bronchi, trachea, bronchioles, alveoli, diaphragm

d. larynx, pharynx, trachea, bronchi, bronchioles, alveoli, diaphragm, nasal cavity

4. What is the purpose of the little hairs inside the nose? *

a. To fight disease.

b. They serve no purpose.

c. To keep dust out of the lungs.

d. To tickle the nose and cause sneezes

5. When we breathe in, we inhale many gases, including oxygen. What happens to the gases that the body can't use? *

a. They are exhaled.

b. They circulate through the body and are disposed of later.

c. They are changed into oxygen by the lungs.

d. They are absorbed into the digestive system and used to create energy.

6.What are lungs for? *

a. To digest food .

b. To help us breath.

c. To help us be active.

d. To help us excrete waste.

7. Air enters your lungs through the __________. *

a. Trachea

b. esophagus

c. alveoli

d. bronchial tubes

8. To go on living, the body's cells need food, water, chemicals, and _____________. *

a. Helium

b. oxygen

c. vegetables

d. carbon dioxide

9. . What body structure protects the lungs from outside harm? *

a. Cartilage

b. Tiny sacs

c. The rib cage

d. The diaphragm

10. What important activity takes place in the lungs? *

a. Food is digested .

b.. Oxygen is exchanged for carbon dioxide.

c. Liquid waste is filtered from the blood

d. The trachea is exchanged for the larynx

11. Which of the following is the main organ of the Circular System? *

a. artery

b. heart

c. vein

d. brain

12. The liquid part of the Circulatory System is_____ *

blood

b. heart

c. blood vessel

d. brain

13. Blood is needed in every part of our body. This CS takes care of this need by distributing blood throughout the body. How blood is transported to the different parts of the body. *

a. Heart pumps the blood to the body

b. Blood vessels carries blood to all body parts

c. blood carries O2 and food nutrients to all parts of the body

d. capillary is the tinniest blood vessel

14. Heart : pump Blood : _____________ *

a. Supplies O2 to the body

b. Carries O2 away from the heart

c. gets CO2 to the environment

d. distribute minerals, nutrients and O2 to the body

15. Which statement below does the blood do to our body? *

a. stores nutrients for the body

b. filters wastes products from all parts of the body

c. balance amount of salt and water to the body

d. distribute absorbable food nutrients throughout the body

16. Which of the following are the functions of the CS? I. distribute disease causing microorganism II. keeps complexion clear all the time III. helps maintain the body’s normal air intake IV. circulates food nutrients and oxygen to the different parts of the body *

a. I and II

b. II and III

c. III and IV

d. I and IV

17. Why is heart known as the human pumping station? *

a. gets O2 from the lungs

b. pumps blood through the body

c. distribute blood to the body

d. collects wastes from the cells

18 . What is the function of WBC or White Blood Cells? *

a. fights infections

b. carries O2

c. pumps blood

d. collects CO2

19. Which part completes the path in heart – lung (pulmonary) circulation? Right Ventricle - Pulmonary artery - lungs _______?_____ - Left Atria - Left Ventricle *

a. Right Atria

b. Capillary

c. Artery

d. Pulmonary Vein

20. Oxygen poor blood enters the heart through the vena cava to the Right Atria, Right Ventricle, pulmonary artery and into the lungs. Which part of the HEART does blood go after it gets Oxygen from the lungs? *

a. pulmonary veins

b. left atrium

c. right atrium

d. left ventricle

21. Where does oxygen rich blood go after it passes through the left ventricle and aorta? *

a. back to the heart

b. to the body cells

c. to the lungs

d. to the blood vessels

22. Which following shows the parts of Nervous system? *

a. mouth. esophagus stomach, small intestine. large intestine

b. nose, pharynx, larynx. lungs

heart, blood, blood vessels

d. brain, neuron, spinal cord

Iba pa:

23. Which of the following is the major parts of Circulatory System? *

a. Nerves, spinal cord, blood

b. . blood, heart, blood vessel

c. nerves, spinal cord, brain

d. spinal cord, heart, brain





Sagot :

2. C.

3. A

4. C

5. D

6. B

7. D

8. B

9. A

10. C

11. B

12. C

13. D

14. B

15. D

16. A

17. B

18. A

19. C

20. D.

21. B

22. C

23. D

(correct me if im wrong po pa brainliest na din)