Review: The Respiratory System

Front

What is the purpose of the respiratory system?

Back

The respiratory system takes in oxygen and releases carbon dioxide.

Front

What are alveoli?

Back

Alveoli are tiny air sacs in the lungs covered with capillaries where gas exchange takes place.

Front

What is the function of the diaphragm?

Back

The diaphragm is the muscle that contracts and relaxes when you breathe.

Front

What disorder causes the bronchi to become restricted?

Back

Asthma is a disorder that causes the bronchi to become restricted, making it difficult for air to reach the lungs.

Front

What is the primary gas that the respiratory system takes in?

Back

Oxygen is the primary gas that the respiratory system takes in.

Front

What gas does the respiratory system release?

Back

The respiratory system releases carbon dioxide.

Front

What are the main organs of the respiratory system?

Back

The main organs of the respiratory system include the lungs, trachea, bronchi, and diaphragm.

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 is gas exchange?

Back

Gas exchange is the process of taking in oxygen and releasing carbon dioxide in the alveoli.

Front

How do the lungs facilitate breathing?

Back

The lungs expand and contract to allow air to flow in and out during breathing.