Respiration System

Posted by: ISMUL ARO in Science Add comments

Do you ever notice your breathing?

Probably not.

paru

Your breathing happens even when you don’t think about it. When you breathe, you take in oxygen gas from the air and exhale carbon dioxide gas and water vapor. Respiration is the entire process by which the body exchanges and uses gases.

LESSON PLAN   (Download here)

Leave a Reply


Lewat ke baris perkakas