Front

What gas do the lungs take in during breathing?

Back

Oxygen

Front

What gas do the lungs remove during breathing?

Back

Carbon dioxide

Front

What is the correct order of tubes air passes through when pushed out of the lungs?

Back

Bronchiole -> Bronchi -> Trachea -> Nose

Front

What is the diaphragm?

Back

A muscle that helps in the process of breathing by contracting and relaxing.

Front

What is a capillary?

Back

A small blood vessel where gas exchange occurs.

Front

What are alveoli?

Back

Air sacs in the lungs where gas exchange takes place.

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 role do bronchi play in the respiratory system?

Back

They are the main passageways that direct air into the lungs.

Front

How does the diaphragm assist in breathing?

Back

It contracts to create a vacuum that pulls air into the lungs.

Front

What is the significance of gas exchange in the alveoli?

Back

It allows oxygen to enter the blood and carbon dioxide to be expelled.