Respiratory System

Front

What is another word for breathing out?

Back

Exhale

Front

What are the tiny air sacs in the lungs called?

Back

Alveoli

Front

What part of the respiratory system is number 2?

Back

Mouth

Front

What part of the respiratory system is number 1?

Back

Nose

Front

What is the name of the air we breathe in?

Back

Oxygen

Front

What is the main function of the respiratory system?

Back

To take in oxygen and remove carbon dioxide.

Front

What is the tube that connects the throat to the lungs?

Back

Trachea

Front

What are the branches that lead to the lungs called?

Back

Bronchi

Front

What muscle helps us breathe by moving down and up?

Back

Diaphragm

Front

What gas do we breathe out?

Back

Carbon Dioxide