Respiratory System

Front

What is the main function of the alveoli in the respiratory system?

Back

The alveoli are tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide occurs.

Front

What are bronchioles?

Back

Bronchioles are the smaller branching tubes that extend from the bronchi deeper into the lungs.

Front

What is the role of the bronchi?

Back

The bronchi transport air from the trachea to the lungs.

Front

What happens when you breathe in?

Back

When you breathe in, your lungs take in oxygen.

Front

What do your lungs remove when you breathe out?

Back

Your lungs remove carbon dioxide when you breathe out.

Front

What is the trachea?

Back

The trachea, also known as the windpipe, is the tube that connects the throat to the lungs.

Front

What is gas exchange?

Back

Gas exchange is the process of swapping oxygen and carbon dioxide between the alveoli and the blood in the capillaries.

Front

What are capillaries?

Back

Capillaries are tiny blood vessels that surround the alveoli and facilitate gas exchange.

Front

What is the diaphragm's role in breathing?

Back

The diaphragm is a muscle that contracts and relaxes to help move air in and out of the lungs.

Front

What is the difference between inhalation and exhalation?

Back

Inhalation is the process of taking air into the lungs, while exhalation is the process of pushing air out of the lungs.