Respiratory System

We use our respiratory system when we.......

• eat

• digest

• breathe

We need.......... in our body.

• carbon dioxide

• oxygen

• gas

In the.............,the oxygen from the air goes into our blood.

• stomach

• lungs

• liver

Our........... pumps blood around the body.

• lungs

• diaphragm

• heart

When we breathe, the diaphragm goes up and pushes........out of our lungs.

• oxygen

• carbon dioxide

• gas

We have two............ .

• hearts

• lungs

• stomachs

It is the center of our face?

• nose

• eyes

• ears