Respiratory System

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 chamber behind the nose and mouth that leads to the trachea?

Back

Pharynx

Front

What are the main organs of gas exchange in the respiratory system?

Back

Lungs

Front

What is the function 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 thoracic cavity.

Front

What is the trachea commonly known as?

Back

Windpipe

Front

What are bronchi?

Back

The two main branches of the trachea that lead to the lungs.

Front

What are bronchioles?

Back

Small air passages that branch off from the bronchi and lead to the alveoli.

Front

What are alveoli?

Back

Tiny air sacs in the lungs where gas exchange occurs.

Front

What is the role of the epiglottis?

Back

It prevents food and liquid from entering the trachea during swallowing.