Respiratory System

Front

What is a sinus?

Back

A cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities.

Front

What are the two main branches from the trachea?

Back

Bronchi, which lead to each lung.

Front

How many lobes does the left lung have?

Back

The left lung has two lobes, while the right lung has three.

Front

What muscle separates the chest and abdominal cavities?

Back

Diaphragm.

Front

What is the correct order for air to pass through when pushed out of the lungs?

Back

Bronchiole -> Bronchi -> Trachea -> Nose.

Front

What is the function of the diaphragm?

Back

The diaphragm contracts and relaxes to help with breathing by changing the pressure in the chest cavity.

Front

What are alveoli?

Back

Tiny air sacs in the lungs where gas exchange occurs.

Front

What is the role of bronchioles?

Back

Bronchioles are small air passages that lead from the bronchi to the alveoli.

Front

What is the primary function of the respiratory system?

Back

To facilitate the exchange of oxygen and carbon dioxide between the body and the environment.

Front

What is the trachea?

Back

The trachea, or windpipe, is a tube that connects the larynx to the bronchi, allowing air to pass to and from the lungs.