Front

What gas do your lungs take in when you breathe?

Back

Oxygen

Front

What gas do your lungs remove when you breathe out?

Back

Carbon Dioxide

Front

What is the main function of the respiratory system?

Back

To provide oxygen and remove carbon dioxide from the body.

Front

What is the term for breathing out?

Back

Expiration

Front

What is the term for breathing in?

Back

Inspiration

Front

What are the air sacs in the lungs where gas exchange occurs called?

Back

Alveoli

Front

How many lobes does the left lung have?

Back

Three

Front

How many lobes does the right lung have?

Back

Two

Front

What are the tubes that carry air to the lungs called?

Back

Bronchi

Front

What is the diaphragm's role in respiration?

Back

It contracts and relaxes to help move air in and out of the lungs.