The trillions of cells in the body require an abundant and continuous supply of oxygen to carry out their vital functions. We cannot “do without oxygen” for even a little while, as we can without food or water.
This post is important as it shows a simple yet effective flow chart of how the respiratory system works. This flow chart can be used to teach younger classrooms how the respiratory system works.
Free coloring sheet all about your amazing lungs by I Heart Guts. Learn about your respiratory system and maybe have a little fun, too.
science 8 cells and systems
L is for Lungs - Infographic: Find out all about your lungs and how breathing works.
The Human Lungs - The Respiratory System(Vet Tech Notes)
: “ Obligatory Anatomy Diagram of the Day: Upper Respiratory Tract [x] ”