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Respiratory System - Coggle Diagram
Respiratory System
How it functions
- Brain sends message to diaphragm to tighten.
- You breathe in air with oxygen.
- It travels through your nose and mouth, and then throat to your windpipe.
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- Goes into smaller tubes into air sacs.
- Oxygen goes through the walls of the lungs into the blood vessels.
- The blood goes to the heart and then pumps oxygen to all of the body.
- Used oxygen is exhaled as carbon dioxide.
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