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Emily Portillo
Physiology weeks 1-6
| Term | Definition |
|---|---|
| The hierarchical organization of the body | Chemical level (atoms and molecules), Cells, Tissues, Organs, Organ systems, Organism |
| 4 Basic Types of Cells & Tissues: | 1. Nervous tissue cells that make nervous tissue (also called "neural tissue"). 2. Muscle cells that make muscle tissue. 3. Epithelial cells that make epithelial tissue. 4. Connective tissue cells that make connective tissue |
| Nervous tissue | Nervous tissue cells include neurons, which transmit information as electrical signals, and also store information. |
| Muscle cells that make muscle tissue: | Muscle cells contract, or shorten, to generate force |
| Epithelial cells that make epithelial tissue: | Epithelial tissues are sheets of cells, that can form barriers that separate different spaces in the body & they can mediate transport. |
| Connective tissue cells that make connective tissue: | Connective tissue cells are found within a large amount of an extracellular matrix (ECM). Connective tissues connect, anchor and support. |
| Homeostasis | internal stability |
| functions of the skeletal muscles | 1. movement of the skeleton 2. posture and body position 3. supports soft tissues 4. guards enterence/exit 5. maintains body temp |
| myofibrils | subdivisions within muscle fiber. made up of protein filaments called myofilaments |
| myofilaments | responsible for muscle contraction |
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