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Respiratory system

Total questions: 16

Worksheet time: 8mins

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.
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
4.

The drawing in of breath; inhalation.

a)

Inspiration

b)

Expiration

5.

Breathing out; exhalation of breath.

a)

Inspiration

b)

Expiration

6.

What is the site of gas exchange?

a)

alveoli

b)

nose

c)

lung

d)

bronchi

7.

A cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities.

a)

Sinus

b)

Nose

c)

Pharynx

d)

Larynx

8.

The only externally visible part of the respiratory system

a)

Eyes

b)

Nose

c)

Pharynx

d)

Larynx

9.

Olfactory receptors are located in the mucosa of the nose. What are these receptors used for?

a)

sight

b)

smell

c)

touch

d)

taste

10.
The two main branches from the trachea (one to each lung)
a)
bronchi
b)
alveoli
c)
capillaries
d)
bronchioles
11.
What does the Larynx hold ?
a)
The larynx holds the whole sub system 
b)
The larynx is part of the plant cells. 
c)
The larynx holds the vocal chords. 
d)
The larynx is part of animal tissues. 
12.

Which of the following happens when you exhale?

a)

chest cavity expands

b)

your lumgs become smaller

c)

your chest cavity becomes smaller

d)

your lungs take in and give off oxygen

13.

Which of the following shows what happens to the chest cavity when air rushes into the lungs?

a)

decrease in volume

b)

deflates

c)

expands

d)

relaxes

14.

The main ORGAN responsible for breathing is:

a)

the Brain

b)

the Lungs

c)

the Liver

d)

the Kidneys

15.
What is another name for the windpipe?
a)
Lungs
b)
Trachea
c)
Larynx
d)
Esophagus
16.

What is a respiratory cycle?

a)

2 inhalations followed by one exhalation

b)

one inhalation followed by one exhalation

c)

one maximal inspiration followed by one forced expiration

d)

one inspiration followed by one forced expiration