Front

What do your lungs take in when you breathe?

Back

Oxygen

Front

What do your lungs remove when you breathe?

Back

Carbon dioxide

Front

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

Back

Alveoli

Front

What is the process of oxygen and carbon dioxide moving across a membrane called?

Back

Gas exchange

Front

What enters the capillaries from the alveoli during gas exchange?

Back

Oxygen (O2)

Front

What is the primary site of gas exchange in the lungs?

Back

Alveoli

Front

What is the function of the bronchi in the respiratory system?

Back

To carry air to and from the lungs.

Front

What is the role of capillaries in gas exchange?

Back

To facilitate the transfer of oxygen and carbon dioxide between the alveoli and the bloodstream.

Front

What is the difference between breathing and respiration?

Back

Breathing is the physical process of inhaling and exhaling air; respiration is the biochemical process of converting oxygen into energy.

Front

What gas do plants take in during photosynthesis that is released during gas exchange?

Back

Carbon dioxide (CO2)