Diaphragm
Respiratory system
Trachea
Bronchi
Nostril
Phaynx
Alveoli
Lungs
Larynx
Nasal Cavity


1._______facilitates breathing. It allows exchange of gases. During inhalation,
your body takes in oxygen. During exhalation, your body gives off carbon dioxide.

2._______are the two openings of the nose.

3._______has tiny hairs called cilia that filters, warms and moisten the air that
enters the nose.

4.______acts as a passageway for both air and food.

5.______or voice box is where sound is produced when you talk.

6.______is a windpipe that directs air to the lungs.

7._______is the primary organ in the respiratory system. It allows the exchange of
oxygen and carbon dioxide.

8.______are tubes that move the air from trachea to the lungs.

9.______are tiny air sacs where exchange of gasses happens.

10._____is a thin skeletal muscle found at the base of the chest. It
contracts and flattens when you exhale.​