Respiratory System

Front

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

Back

Lungs

Front

What are the two main branches from the trachea that lead to each lung?

Back

Bronchi

Front

What do we take in when we inhale?

Back

Oxygen

Front

What do we let out when we exhale?

Back

Carbon dioxide

Front

When you inhale, your lungs are ___________ air.

Back

Taking in

Front

What is the tube that carries air from the throat to the lungs?

Back

Trachea

Front

What are the tiny air sacs in the lungs where gas exchange occurs?

Back

Alveoli

Front

What muscle helps in the process of breathing by contracting and relaxing?

Back

Diaphragm

Front

What is the process of breathing in called?

Back

Inhalation

Front

What is the process of breathing out called?

Back

Exhalation