Breathing system

We have ______ pair of lungs?

• 2

• 1

• 4

• 5

windpipe connects nose to the _____in mammals

• mouth

• diagram

• lungs

• heart

what is taking in oxygen and giving out carbon dioxide called?

• Inhale

• Exhale

• system

• breathing

Nose-______-______-diaphragam

• Nose-windpipe-lungs-diaphragam

• Nose-lungs-windpipe-diaphragam

Do birds have eyes, ears, nose, etc.?

If we stop breathing for_________minutes then we will die.