Respiratory System Quiz

The gas ______ is released from the blood into the lungs, a waste product of the body.

______ is a chronic respiratory disease where the air passages become narrower than normal.

A ______ is an infection of the respiratory tract, which can affect the nose, throat, lungs, and sinuses.

A deficiency in ______ can lead to respiratory problems, as this gas is essential for breathing.

In the disease ______, the lungs and pancreas are clogged with abnormally thick mucus due to a genetic disorder.

The ______ are air-filled spaces in the skull that open into the nasal cavity.

The ______ is the passageway for food to the esophagus and air to the larynx.

The ______ is known as the voice box and contains the vocal cords.

The ______ are tiny sacs of lung tissue specialized for gas exchange.

The ______ is a large, flat muscle that helps with breathing.