Front

Carbon dioxide is a waste product.

Back

True

Front

What is the voice box called?

Back

Larynx

Front

What gas enters your body when you breathe in?

Back

Oxygen

Front

What is the process of breathing called?

Back

Respiration

Front

What are the organs that take in oxygen from the air you breathe?

Back

Lungs

Front

What is the primary function of the respiratory system?

Back

To facilitate gas exchange, providing oxygen to the body and removing carbon dioxide.

Front

What is the role of the diaphragm in respiration?

Back

The diaphragm contracts and flattens to create a vacuum that pulls air into the lungs.

Front

What is the trachea?

Back

The trachea, or windpipe, is the tube that connects the larynx to the lungs.

Front

What are alveoli?

Back

Alveoli are tiny air sacs in the lungs where gas exchange occurs.

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 expelling air from the lungs.