Respiratory system

Why do you need your lungs ?

• To swim

• To smoke

• To breath

• To play

When you breathe, your lungs take in ____ and release _____.

• air/oxygen

• oxygen/carbon dioxide

• carbon dioxide/waste

• waste/air

NUMBER 1:

• lungs

• pharynx

• mouth

• alveoli

Eat healthy the one of the ways used to keep the respiratory system healthy:

• true

• false

what is the major respiratory organ that takes o2 and release co2?

• ribs

• airways

• nose

• lungs

NUMBER 3 is

• Pharynx

• Trachea

• Bronchi

• Alveoli