Breathing

When we exhale, the lungs get________

• A. bigger

• B. smaller

• C. big

When we inhale, the lungs get___



• A.little

• B. smaller

• C. bigger

When we inhale, the air goes_____

• A. in

• B. out

• C. old

When we exhale, the air goes_____

• A. in

• B. old

• C. out

L_NGS

• A. U

• B. O

• C. A

When we inhale , we take …… into the body

• A. carbon dioxide

• B. oxygen

• C. hydrogen

When we….., the lungs get bigger

• A. inhale

• B. exhale

• C. breathe

When we…., the lungs get smaller

• A. inhale

• B. breathe

• C. exhale

When we exhale, the …..releases

• A. carbon dioxide

• B. oxygen

• C. hydrogen

The respiratory system allows us to……

• A. breathe

• B. inhale

• C. exhale