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Quiz on Cardiovascular and Respiratory Systems

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the primary function of the heart?

a)

To store oxygen

b)

To produce hormones

c)

To pump blood

d)

To filter blood

2.

How many chambers does the heart have?

a)

5

b)

4

c)

3

d)

2

3.

Which layer of the pericardium is the outermost?

a)

Serous pericardium

b)

Endocardium

c)

Fibrous pericardium

d)

Visceral pericardium

4.

What type of blood do the pulmonary arteries carry?

a)

Deoxygenated blood

b)

Nutrient-rich blood

c)

Carbon dioxide-rich blood

d)

Oxygenated blood

5.

Explain the role of the diaphragm in respiration.

a)

It produces sound

b)

It filters air

c)

It pumps blood

d)

It aids in breathing

6.

Which structure connects the nasopharynx to the middle ear?

a)

Eustachian tube

b)

Trachea

c)

Bronchi

d)

Larynx

7.

What is the function of the paranasal sinuses?

a)

To regulate air temperature and humidity

b)

To connect to the lungs

c)

To produce mucus

d)

To filter blood

8.

Why are foreign particles more likely to lodge in the right main bronchus?

a)

It is narrower

b)

It has more cilia

c)

It is longer

d)

It is shorter and wider

9.

What is the primary role of capillaries in the circulatory system?

a)

To carry blood away from the heart

b)

To connect arteries and veins

c)

To store blood

d)

To produce red blood cells

10.

How does the blood from the digestive organs reach the liver?

a)

Through the pulmonary veins

b)

Through the inferior vena cava

c)

Through the aorta

d)

Through the portal vein