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Muscles and breathing

Total questions: 17

Worksheet time: 8mins

Name
Class
Date
1.

During Breathing we get Oxygen in the body and get rid of which other gas?

a)

Carbon Dioxide

b)

Hydrogen

c)

Monoxide

d)

Nitrogen

2.

Which two muscles are responsible for BREATHING?

a)

The Diaphragm

b)

The Lungs

c)

The Heart

d)

The Intercostal Muscles

3.

The main ORGAN responsible for breathing is:

a)

the Brain

b)

the Lungs

c)

the Liver

d)

the Kidneys

4.

During Exhalation (breathing out) the intercostal muscles _____________________ and the chest becomes smaller.

a)

contract

b)

relax

5.

Another word for breathing in is:

a)

Indulgating

b)

Inhalation

c)

Expiration

d)

Exhalation

6.

The air sacs that are covered with capillaries where gas exchange takes place is _________?

a)

Bronchi

b)

Trachea

c)

Oxygen

d)

Alveoli

7.
Identify the diaphragm.
a)
C
b)
D
c)
E
d)
F
8.
What is the tube that is also known as your windpipe?
a)
Esophagus
b)
Bronchi
c)
Trachea
d)
Alveoli
9.
When air pressure inside the lungs is less than air pressure in the atmosphere...
a)
Air moves into the lungs
b)
Air moves out of the lungs
10.

A contraction of the diaphragm during inhalation causes it to flatten. What else does the contraction result in?

a)

An increase in the volume of the chest cavity

b)

Increase in alveolar pressure

c)

A decrease in lung volume

d)

A decrease in the volume of the thoracic cavity

11.

What happens when the intercostals contract during inhalation?

a)

The diaphragm relaxes

b)

The ribs are elevated

c)

Pressure in the lungs increases

d)

The size of the thoracic cavity decreases

12.
What is the volume of one breath called?
a)
minute ventilation
b)
inspiratory capacity
c)
tidal volume
d)
vital capacity
13.

What primary gas product is removed from your system during Exhalation?

a)

Air

b)

Oxygen

c)

Carbon Dioxide

d)

Carbon Monoxide

14.

What is the process called when you breath out the air?

a)

inhalation

b)

exhalation

15.

What are the products of aerobic respiration?

a)

glucose and carbon dioxide

b)

glucose and water

c)

carbon dioxide and water

d)

oxygen and water

16.

Where in the body does respiration occur?

a)

In the heart

b)

In all living cells

c)

In the muscles

d)

In the lungs

17.

Respiration is ....

a)

The movement of the diaphragm

b)

Breaking down starch to sugar

c)

Releasing energy from glucose

d)

Breathing