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aakancha
week 7
| Term | Definition |
|---|---|
| homeostasis | The maintenance of relatively constant conditions in the body. |
| Diffusion | the movement of a molecule down a concentration gradient, from an area of its high concentration to an area of its low concentration |
| Osmosis | movement of water through semipermeable membrane. |
| tissue | a level of organization in multicellular organisms |
| Hypodermis functions | storing energy, connecting the dermis layer of your skin to your muscles and bones, insulating your body and protecting your body from harm. |
| connective tissue function | supports, protects, and gives structure to other tissues and organs in the body |
| skeletal muscles function | contract to produce movement, sustain body posture and position, maintain body temperature, store nutrients, and stabilize joints |
| The hypodermis | connects the dermis to underlying tissues |
| Ligand-gated ion channels | integral membrane proteins that contain a pore which allows the regulated flow of selected ions across the plasma membrane |
| Which of the following may cause skeletal variations? | Inadequate supply of calcium and vitamin D, mechanical stresses, age |
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