Front

What is the main function of the respiratory system?

Back

To supply the body with oxygen and remove carbon dioxide.

Front

What gas do we inhale during respiration?

Back

Oxygen.

Front

What gas do we exhale during respiration?

Back

Carbon dioxide.

Front

What is cellular respiration?

Back

The process by which cells use oxygen to produce energy from food.

Front

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

Back

It helps in the process of breathing by contracting and relaxing to change the volume of the chest cavity.

Front

What are alveoli?

Back

Tiny air sacs in the lungs where gas exchange occurs.

Front

What is the trachea?

Back

The windpipe that connects the throat to the lungs.

Front

What is the epiglottis?

Back

A flap that covers the trachea during swallowing to prevent food and water from entering the airway.

Front

What are bronchi?

Back

The main passageways that branch from the trachea into the lungs.

Front

What is the function of the lungs?

Back

To facilitate the exchange of oxygen and carbon dioxide between the air and the blood.