Respiratory System

Front

What do we let out when we exhale?

Back

Carbon dioxide

Front

What do we take in when we inhale?

Back

Oxygen

Front

What are the two main branches from the trachea?

Back

Bronchi

Front

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

Back

Lungs

Front

What is the main function of the respiratory system?

Back

To provide oxygen and remove carbon dioxide from the body

Front

What is the trachea?

Back

The windpipe that connects the throat to the lungs.

Front

What are alveoli?

Back

Tiny air sacs in the lungs where gas exchange occurs.

Front

What is the diaphragm?

Back

A muscle that helps with breathing by contracting and relaxing.

Front

What is the role of the bronchi?

Back

To carry air from the trachea to the lungs.

Front

What is respiration?

Back

The process of taking in oxygen and expelling carbon dioxide.