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Sci221 Physiology
Week 8
| Term | Definition |
|---|---|
| Site of regulation of body temperature and water balance; most important autonomic center. | Hypothalamus |
| Responsible for regulation of posture and coordination of complex muscular movements. | Cerebellum |
| Contains autonomic centers regulating blood pressure, heart rate, and respiratory rhythm, as well as coughing, sneezing, and swallowing centers. | Medulla oblongata |
| Located in the midbrain; contains reflex centers for vision and audition. | Corpora quadrigemina |
| Important synapse site for afferent fibers traveling to the sensory cortex. | Thalamus |
| Moves material from cell interior to the extracellular space; vesicles fuse with the plasma membrane expelling the contents out of the cell. | Exocytosis |
| Moves material from extracellular space into the interior of the cell. | Endocytosis |
| Proteins use ATP to transport solutes against concentration gradient; ie: sodium-potassium pump | Solute pumping |
| Solutes move from a region of high concentration to a region of low concentration until evenly distributed throughout the solution. | Diffusion |
| Diffusion of water across a membrane; water moves from a region of higher concentration to a region of lower concentration. | Osmosis |
| Name two types of passive transport. | Diffusion and osmosis |
| Name three types of active transport. | Solute pumping, exocytosis, and endocytosis. |
Created by:
stefwong
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