My Lungs

How do your lungs help you?

• My lungs help my body get the oxygen it needs.

• My lungs help my nose clean the air.

• My lungs help my mouth eat anything I want.

• My lungs help my heart pump blood to my body system.

Oxygen comes from the _______.

• blood from my heart

• nose and throat

• air I breathe

• brain in my skull

Each breath comes into my _______ first.

• tongue or eyes

• nose or mouth

• brain or blood

• heart

My nose and throat warm up and _____ the air.

• push out

• cool down

• clean

• take

_____ in my nose and throat do the cleaning.

• Tiny hairs

• Big bumps

• Small holes

• Clear skin

The air moves down my throat into my ______.

• two lungs

• heart

• skull

• blood

The tubes end in tiny sacs that look like bunches of _____.

• bananas

• grapes

• apples

• oranges

The _____ are like balloons.

• throat

• tiny sacs

• hair in my nose

• branches

My lungs trade oxygen for ____ through the tiny balloons.

• air

• carbon dioxide

• blood

• lungs

What is a waste air?

• carbon dioxide

• oxygen