What are the major organ of respiratory?

Nose

- Filters, warms and moistens air

- Provides sense of smell

Pharynx (Throat)

- Transfers air from nose to larynx (voice box)

Larynx

- Produces sound vibrations

Trachea (Windpipe)

- Carries air from larynx to bronchi

Bronchi

- Branches of trachea that carry air to lungs

Lungs

- Consist of millions of microscopic air sacs (alveoli)

- Alveoli exchange oxygen and carbon dioxide with blood