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Organs
human organs and their functions
| Organ | Function |
|---|---|
| Heart | - pumps blood containing required materials for cells (human 4 chambers - frog 3 chambers) |
| Arteries | - carries oxygenated blood to cells and tissues (expect between heart and lungs) - muscular, bright frothy red blood |
| Veins | - carries de-oxygenated blood to cells and tissues (except between heart and lungs) - dark red, lower pressure, contains valves |
| Capillaries | - connect arteries and veins for the passage of materials |