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Parts and Function of Respiratory System

Total questions: 7

Worksheet time: 3mins

Name
Class
Date
1.

tiny hairs that are located on the surface cells of the mucous membrane that moves back and forth.

a)

nostril

b)

cilia

c)

trachea

d)

mouth

2.

the voice box, where vocal chords are located

a)

pharynx

b)

larynx

c)

nose

d)

throat

3.

a cartilaginous tube that connects the larynx to the bronchi of the lungs.

a)

trachea

b)

epiglottis

c)

esophagus

d)

rib

4.

two branches at the end of the trachea, each lead to a lung

a)

bronchioles

b)

bronchi

c)

ribs

d)

epiglottis

5.

the functional respiratory units (air sacs) in the lung where gases are exchanged

a)

bronchioles

b)

alveoli

c)

bronchi

d)

cilia

6.

Which of the following is the function of respiratory system?

a)

transports carbon dioxide to all the cells in the body and remove oxygen

b)

intakes oxygen and expels carbon dioxide

c)

inhales carbon dioxide and exhales oxygen

7.

During exhalation, The diaphragm _________ and moves ___________

a)

relaxes, upward

b)

contracts, downward

c)

relaxes, downward

d)

contracts, upward