Respiratory

two organs inside your chest which fill with air when you breathe in.

• trachea

• lung

• nose

the layer of muscle between the lungs and the stomach, used to control breathing.

• trachea

• lung

• diaphram

the two air passages of the lungs which diverge from the windpipe.

• trachea

• bronchi

• diaphram

a tube by which air passes to and from the lungs.

• trachea

• bronchi

• diaphram

The_______protects your lungs.

• bone

• rib cage

• heart

Inhale means to__________

• breathe in

• breathe out

Exhale means to _________

• breathe in

• breathe out

larynx

• 膈肌

• 喉口

• 气管

Respiration is the ________ between the body and the outside world.

• breathing in O2

• breathing out CO2

• gas exchange

Tags

NGSS.MS-LS2-3

What system moves air into and out of the lungs?

• respiratory

• circulatory

• digestive

• muscular