Respiratory System Flashcard

Front

How does oxygen travel from the lungs to the rest of the body?

Back

Through the bloodstream.

Front

What happens when we exhale?

Back

We exhale carbon dioxide.

Front

What is the purpose of alveoli in the lungs?

Back

To exchange oxygen and carbon dioxide.

Front

What is the correct pathway of respiration?

Back

Mouth/nose, larynx, trachea, bronchial tubes, lungs.

Front

Where does air enter the body when we breathe?

Back

Nose or mouth.

Front

What is the function of the diaphragm in respiration?

Back

The diaphragm contracts and relaxes to help draw air into the lungs.

Front

What gas do we inhale that is essential for life?

Back

Oxygen.

Front

What gas do we exhale that is a waste product of respiration?

Back

Carbon dioxide.

Front

What is the role of the trachea in the respiratory system?

Back

The trachea, or windpipe, carries air to and from the lungs.

Front

What are bronchial tubes?

Back

Bronchial tubes are the passages that direct air from the trachea to the lungs.