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| Question | Answer |
|---|---|
| The coordinated physiological processes which maintain most of the steady states in the organism | homeostasis |
| Positive feedback | Occurs when feedback (from sensor to integrator) results in an amplification of the change (same direction as deviation from setpoint) |
| Biomolecules | are the chemical components of life |
| four major types of biological macromolecules | proteins, carbohydrates, lipids and nucleic acids |
| the basic functional unit of the body | The cell |
| Tissue | a group of similar cells that perform a common function. |
| Osteocytes | mature bone cells. |
| An osteon | is a cylindrical structure consisting of a central canal, the Haversian canal, which is surrounded by concentric rings (lamellae) of compact bone. |
| Osteoclasts | These large cells have several nuclei and function in resorption and the assimilation of bone components. |
| joint | a point of contact between bones. |