Respiratory System

When you breathe, our lungs take in _______ and remove _______.

• air/oxygen

• oxygen/carbon dioxide

• carbon dioxide/waste

• waste/air

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 ‘windpipe’ is also called the____________.

• trachea

• lungs

• nose

• throat

____________ is the windpipe, a passage through which air moves in the respiratory system.

• Trachea

• Lungs

• Larynx

• Ribcage

What can you infer about the function of the ribcage?

• It protects the lungs

• It helps the lungs pump oxygen

• It delivers oxygen from the lungs to the bloodstream

• It connects the trachea to the lungs

The circulatory system works with the ___________ system to provide our body with oxygen and get rid of carbon dioxide.

• respiratory

• digestive

• muscular

• skeletal

How is carbon dioxide released from the body? 

• When we exhale
• When we urinate
• When we sweat
• When we inhale

What is the function of the lungs?

• To allow oxygen to be draw into the body and carbon dioxide to be released out of the body

• To pump blood throughout our whole body

• To provide protection for the organs

• To digest food

Which image represents the respiratory system?

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Name this part of the respiratory system.

• Throat

• Stomach

• Esophagus

• Trachea