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Respiratory System

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
2.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
3.

Flap of tissue that covers the opening to the windpipe during swallowing

a)

Pharynx

b)

Trachea

c)

Epiglottis

4.
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
5.
Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that 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 
6.
The left lung has three lobes and the right lung has two. 
a)
True
b)
False
7.
A chamber behind the nose and mouth that leads to the trachea
a)
pharynx
b)
trachea
c)
epiglottis
d)
larynx
8.

Breathing out; exhalation of breath.

a)

Inspiration

b)

Expiration

9.

What is the site of gas exchange?

a)

alveoli

b)

nose

c)

lung

d)

bronchi

10.

The only externally visible part of the respiratory system

a)

Eyes

b)

Nose

c)

Pharynx

d)

Larynx

11.

Which part of the Respiratory System plays a major role in speech?

a)

nose

b)

pharynx

c)

larynx

d)

trachea

12.

tiny, hairlike projections in the airway that move in a wavelike manner.

a)

alveoli

b)

cilia

c)

trachea

d)

lungs

13.

the windpipe; a passage through which air moves in the respiratory system.

a)

trachea

b)

lungs

c)

larynx

d)

bronchi

14.

the passages that direct air into the lungs.

a)

lungs

b)

trachea

c)

bronchi

d)

alveoli

15.

Which of the following statements is true?

a)

Your lungs can store several hours' worth of oxygen.

b)

Your body can't store oxygen at all.

c)

Your body stores oxygen in your bloodstream.

d)

Your body needs carbon dioxide to function properly.

16.

What can you infer about the function of the ribcage?

a)

It protects the lungs.

b)

It helps the lungs pump oxygen.

c)

It delivers oxygen from the lungs to the bloodstream.

d)

It connects the trachea to the lungs.

17.

What word best describes the function of the trachea?

a)

Pumping station

b)

Entrance point

c)

Muscle

d)

Passageway

18.

Where does the transfer of oxygen into the bloodstream take place?

a)

In the heart

b)

In the trachea

c)

In the alveoli

d)

In the nasal passages

19.

The walls of the alveoli and capillaries are permeable. What does this mean?

a)

Substances can pass through them.

b)

They are made of muscle.

c)

They are located throughout the body.

d)

They are made of bone.

20.

What happens when your diaphragm relaxes and moves upward?

a)

Your lungs deflate and you breathe out.

b)

Your lungs inflate and you breathe in.

c)

Your alveoli transfer oxygen to your bloodstream.

d)

Your bloodstream transfers carbon dioxide to your alveoli.

21.

What organ of the respiratory system is in blue.

a)

pharynx

b)

trachea

c)

larynx

d)

epiglottis

22.

What organ of the respiratory system is in purple.

a)

pharynx

b)

trachea

c)

larynx

d)

epiglottis

23.

What is the function of these tiny hairs in the bronchial tubes?

a)

moistens the air as it enters the lungs

b)

helps the lungs get carbon dioxide

c)

removes unwanted mater from the lungs

d)

helps the lungs get oxygen

24.

What is the dome-shaped muscle beneath the lungs that helps us breathe.

a)

diagram

b)

dialysis

c)

diaghragm

d)

diorama