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Respiratory System

Total questions: 15

Worksheet time: 10mins

Name
Class
Date
1.

Why should you breath through your nose? (choose all that apply)

a)

It moistens air.

b)

It warms air.

c)

It is the only way to breath in air.

d)

It filters air.

2.
The two main branches from the trachea (one to each lung)
a)
bronchi
b)
alveoli
c)
capillaries
d)
bronchioles
3.

What is the order that oxygen travels when it is inhaled?

a)

nasal cavity, bronchi tubes, pharynx, trachea, alveoli

b)

nasal cavity, pharynx, trachea, bronchi tubes, alveoli

c)

nasal cavity, trachea, pharynx, bronchi tubes, alveoli

d)

nasal cavity, trachea, pharynx, alveoli, bronchi tubes

4.
Letter D is pointing to which Respiratory organ?
a)
Alveoli
b)
Diaphragm
c)
Lung
d)
Bronchi
5.

What is the anatomically correct name of the windpipe?

a)

Pharynx

b)

Larynx

c)

Trachea

6.
What is 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 keeps them from falling down to your stomach.
7.

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

a)

Pharynx

b)

Trachea

c)

Epiglottis

8.

These are all structures of the digestive system:

stomach, esophagus, trachea, small intestine

a)

True

b)

False

9.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
10.
What is another name for the windpipe?
a)
Lungs
b)
Trachea
c)
Larynx
d)
Esophagus
11.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
12.

What do we take in when we inhale?

a)

carbon dioxide

b)

oxygen

c)

lungs

13.

What do we let out when we exhale?

a)

oxygen

b)

Carbon dioxide

c)

lungs

14.
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
15.
What are the main organs of gas exchange in the respiratory system?
a)
diapragm
b)
lungs
c)
trachea
d)
bronchi