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Kacey Munsell
Weeks 1-6
| Term | Definition |
|---|---|
| Homeostasis | Relatively constant states maintained by the body. (Normal range) |
| Set point | Normal reading |
| Integumentary | Separates internal environment from external environment, providing stability of internal fluid volume |
| Skeletal | Supports and protects internal environment, allowing movement; stores minerals that can be moved into and out of internal fluid |
| Muscular | Powers and directs movements; provides heat |
| Nervous | Regulates homeostatic mechanisms, sensing changes, integrating information, sending signals to effectors |
| Endocrine | Regulates homeostasis by secreting signaling hormones that travel through internal environment to effector cells |
| Cardiovascular | Maintains internal constancy by transporting nutrients, water, oxygen, hormones, wastes, and other materials and heat within the internal environment |
| Lymphatic | Maintains constant fluid pressure by draining excess fluid from tissues, cleaning it, and recycling it to bloodstream |
| Immune | Defends internal environment against harmful agents |
| Respiratory | Maintains stable O2 and CO2 levels in body by exchanging these gases between external and internal environments; provides vocal communication with others for protection, hunting, etc. |
| Digestive | Maintains relatively constant nutrient level in body by digesting food and absorbing nutrients into internal environment |
| Urinary | Maintains constantly low level of waste and regulates pH of internal environment; helps maintain constancy of internal water volume and balance of ions and other substances |
| Reproductive | Passes genetic code containing information for forming a body and maintaining homeostasis to offspring |
| Afferent | A signal is traveling toward a particular center or point of reference, |
| Efferent | A signal is moving away from a center or other point of reference |
| Primary structure | The number, kind, and sequence of amino acids that make up the polypeptide chain |
| Secondary structure | The chains are coiled or bent into pleated sheets. |
| Tertiary structure | The polypeptide chain is so twisted that its coils touch one another in many places, and “spot welds,” or interlocking connections, occur. |
| Quaternary structure | Contains clusters of more than one polypeptide chain, all linked together into one giant molecule. |
| Diffusion | The tendency of small particles to spread out evenly within any given space. |
| Osmosis | The movement of water through a semipermeable membrane |
Created by:
kacey13
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