Respiratory System

The organ used for gas exchange.

• liver

• lung

• heart

• stomach

A group of tiny air sacs used for gas exchange.

• trachea

• tongue

• alveoli

• bronchi

A tube that carries air from the larynx to the lungs.

• alveoli

• bronchi

• pharynx

• trachea

Sheet of muscle located below the lungs helping to compress and expand the lungs.

• trachea

• alveoli

• bronchi

• diaphragm

Another name for your voice box.

• pharynx

• larynx

• trachea

• lung

The region behind the nose that leads to the throat and larynx.

• pharynx

• trachea

• lung

• bronchi

A small flap of tissue that covers the the trachea to prevent water and food from entering the lungs.

• bronchi

• aveoli

• larynx

• epiglottis

To breathe in.

• exhale

• cough

• sneeze

• inhale