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foundations of body
| Term | Definition |
|---|---|
| body cavities | where internal organs are housed |
| posterior (dorsal) | back or upper side, cranial and vertebral cavities |
| ventral | front of body, thoracic and abdominopelvic cavities |
| serous membrane | 2 types of two layered membranes |
| parietal | wallpaper, lines internal surface of bodywall |
| visceral | covers external surface of organ |
| serous cavity | space between parietal and visceral filled with serous fluid, reduces friction |
| pericardium | 2 layered serous membrane around heart |
| pleura | 2 layered serous membrane around the lungs |
| peritoneum | 2 layered serous membrane around abdominopelvic |
| homeostasis components | receptors: detector control center: interpretor effector: changer |
| negative feedback | brings back to set points |
| positive feedback | boosts stimulus |