What is it called when we breathe in air?
Inhale
What is it called when we breathe out air?
Exhale
What air do we breathe in?
Oxygen
What air do we breathe out?
Carbon Dioxide
What do we call the tube that leads to our lungs?
Trachea
What are the two pipes at the end of the trachea?
Bronchi
What are the 2 places we breathe in and out?
Mouth and nostrils
What is the system we use for breathing?
Respiratory System
