Respiratory System

Front

What are the two sacks protected by the ribs in the respiratory system?

Back

Lungs

Front

What are the small sacks inside the lungs where oxygen passes into the blood?

Back

Alveoli

Front

What is the windpipe also known as?

Back

Trachea

Front

What happens when we breathe out?

Back

Carbon dioxide leaves our body.

Front

Approximately how many times does a person breathe in a day?

Back

20,000

Front

What is the primary function of the respiratory system?

Back

To facilitate gas exchange, bringing oxygen into the body and removing carbon dioxide.

Front

What muscle is primarily responsible for breathing?

Back

Diaphragm

Front

What is the process of taking air into the lungs called?

Back

Inhalation

Front

What is the process of expelling air from the lungs called?

Back

Exhalation

Front

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

Back

They allow for the exchange of oxygen and carbon dioxide between the air and blood.