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Respiratory System Anatomy

Total questions: 23

Worksheet time: 12mins

Name
Class
Date
1.

Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order in which air would flow during inhalation? 

a)

1,2,3,4

b)

2,3,1,4

c)

2,1,3,4

d)

4,2,3,1 

2.

The two main branches from the trachea (one to each lung).

a)

bronchi

b)

alveoli

c)

capillaries

d)

bronchioles

3.

What muscles are used in breathing in and out?

a)

diaphragm and intercostals

b)

diaphragm and lungs

c)

lungs and ribs

d)

lungs and diaphragm

4.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
5.

What is the epiglottis?

a)

A cartilage flap that protects the opening of the larynx during swallowing

b)

The smaller version of a glottis

c)

The top part of a glottis

d)

A piece that allows vocal cords to work

6.
What occurs in the alveoli?
a)
Gas exchange
b)
Air flow
c)
Create blood
d)
Create air
7.

What is the function of the dome-shaped diaphragm?

a)

This is where gas exchange happens.

b)

Air passes through the diaphragm on the way to the lungs.

c)

It attaches to the lungs to help in breathing.

d)

It is under the lungs and helps move air into and out of the lungs.

8.

Name the organ labeled #6. 

a)

alveoli 

b)

bronchi 

c)

trachea 

d)

lungs 

9.
Name the structure labeled 8 
a)
lungs 
b)
trachea 
c)
diaphragm 
d)
alveoli 
10.

What happens during inspiration?

a)

The diaphragm contracts and pulls down to cause air to rush into the thoracic cavity.

b)

The diaphragm relaxes and causes a pressure change and air rushes out.

c)

The diaphragm relaxes and causes the thoracic cavity to get smaller.

11.

The only externally visible part of the respiratory system.

a)

Eyes

b)

Nose

c)

Pharynx

d)

Larynx

12.

Which lung has 2 lobes?

a)

Right

b)

Left

13.

The opening between vocal cords

a)

glottis

b)

epiglottis

14.

Which part of the respiratory system plays a major role in speech?

a)

nose

b)

pharynx

c)

larynx

d)

trachea

15.

Choose the flowchart with the proper order of airflow into the body. 

a)

nose->pharynx->larynx->trachea->bronchi->bronchioles->alveoli

b)

nose->larynx->pharynx->trachea->bronchi->bronchioles->alveoli

c)

nose->pharynx->larynx->trachea->bronchioles->bronchi->alveoli

d)

nose->bronchi->pharynx->larynx->trachea->bronchioles->alveoli

16.

The division of the trachea forms

a)

nose

b)

main bronchi

c)

lungs

d)

alveoli

17.

What specific cavity contains the lungs?

a)

Thoracic

b)

Pleural cavity

c)

Ventral

18.

A chamber warms the air we inhale and keeps large particles from entering the lungs.

a)

pharynx

b)

nasal cavity

c)

epiglottis

d)

larynx

19.
What is the main function of the respiratory system?
a)
to provide oxygen and remove carbon dioxide from the body
b)
to bring oxygen to the body
c)
to break down food and absorb nutrients
d)
to remove oxygen from the body and deliver carbon dioxide
20.

Which structure prevents food from entering the trachea during swallowing?

a)

Larynx

b)

Pharynx

c)

Glottis

d)

Epiglottis

21.

Which part of the respiratory system is responsible for the exchange of gases?

a)

Larynx

b)

Trachea

c)

Alveoli

d)

Bronchi

22.

Which structure in the respiratory system is primarily responsible for filtering and humidifying the air we breathe?

a)

Bronchi

b)

Larynx

c)

Nose

d)

Trachea

23.

What is the primary function of the cilia in the respiratory tract?

a)

To support the trachea

b)

To exchange gases

c)

To trap and move particles out of the airways

d)

To produce mucus