Functions of the Respiratory System 2

Match each pair by dragging from right to left.
When complete choose the Check button.

Bronchioles

Alveoli

Diaphragm

Intercostal muscles

Capillaries

Tiny tubes taking air to and from the alveoli

Gas exchange takes place here

Sheet of muscle which moves up and down during breathing

Moves the rib cage up and down during breathing

Network of narrow blood vessels