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IMCPL Kids' Info Guide: Respiratory System
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The Air Bags
Science Factfile
- BREATH IN -- your body gets oxygen from the air. Rib muscles contract to pull ribs up and out. The DIAPHRAGM muscle contracts to pull down the lungs. Tissue expands to suck in air.
- BREATH OUT -- you get rid of other gases that your body does not need. Rib muscles relax. The Diaphragm muscle relaxes. Tissue returns to resting position and forces air out.
Websites
- Looking at Your Lungs
- Oxygen Delivery System
- Your Gross and Cool Body: Respiratory System
Library Materials
Find the stuff you're looking for in the Kids' Catalog.
