Respiratory System Review

When you breathe, your lungs take in ______ and remove _______. 

• oxygen/carbon dioxide 

• air/oxygen

• carbon dioxide/waste 

• waste/air 

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

• bronchi

• lungs

• oxygen

• alveoli

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

The trachea branches off into two:

• Alveoli

• Bronchi

• Bronchioles

What important activity takes place in the lungs?

• Food is digested

• Waste filtered from blood

• Oxygen (O2) is exchanged for Carbon Dioxide (CO2)

• Trachea is exchanged for the larynx

What is another name for the windpipe?

• Lungs

• Trachea

• Larynx

• Esophagus

When you exhale, the diaphragm

• moves upwards

• moves downwards

• flattens

• none of the above

Where does oxygen initially enter into the body?

• nose and mouth

• eyes

• brain

• throat

The elastic sponge-like organs are where gas exchange occurs.

• lungs

• brain

• stomach

• heart

What are the main organs of the respiratory system that allow us to breathe and for gas exchange to happen?

• diapragm

• lungs

• trachea