Respiratory System Pretest

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body

• to bring oxygen to the body

• to break down food and absorb nutrients

• to remove oxygen from the body and deliver carbon dioxide

What are the main organs of gas exchange in the respiratory system?

• diapragm

• lungs

• trachea

• bronchi

What is function of the dome-shaped diaphragm?

• This is where gas exchange happens.

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

• It attaches to the lungs to help in breathing.

• It is under the lungs and keeps them from falling down to your stomach.

When you breathe, your lungs take in ___ and remove ___.

• air/oxygen

• oxygen/carbon dioxide 

• carbon dioxide/waste 

• waste/air 

The body has several organ systems. Which organ system is pictured here?

e

digestive system

skeletal system

circulatory system

nervous system

muscular system

respiratory system

Label the parts of the respiratory system

b

c

d

e

a

f

bronchioles

lungs

diaphragm

alveoli

trachea

bronchi

Label the parts of the respiratory system.

a

b

c

d

bronchi

lungs

trachea

nose

What is the main function of the respiratory system?

• To pump blood throughout the body

• To digest food

• To exchange oxygen and carbon dioxide

• To control body movements

What is the role of the alveoli in the respiratory system?

• To pump blood

• To filter out carbon dioxide

• To facilitate the exchange of oxygen and carbon dioxide

• To move air in and out of the lungs

Which organ is primarily responsible for the exchange of oxygen and carbon dioxide in the respiratory system?

• Heart

• Lungs

• Liver

• Kidneys