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17 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Homeostasis |
Maintains all chemical and physical processes in body stable. |
Stable |
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Internal environment |
Blood and lymph, fluids that surrounds our cells |
Inside |
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Factors controlled homeostatically |
RBC Concentration, blood pressure, Blood Ph,Chemical concentration (oxygen,CO2, glucose, amino acids, calcium), temp of body core |
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Endotherms |
Warm blooded organisms with temperature control normally warmer than environment |
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Ectotherms |
Cold blooded, use environment to regulate heat. Example fish and reptiles |
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Primary source of energy |
Glucose |
Sugar |
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Where do cells pull glucose |
Lymph |
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How does surface area affect heat loss |
More surface area = faster heat loss |
Clay in class |
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How to calculate SA |
SaA = X^2 where X is difference in compared measurements |
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How to calculate V |
V=X^3 |
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Describe counter current heat exchange |
Where flow of hot blood touches colder blood coming back to heart to ensure warm extremities |
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Calories body burns an hour |
70-500 |
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Blood composition |
Blood plasma 55% (92% water, 1% salt, 7% proteins) Blood cells 45% (95.1% RBC, 0.1% WBC, 4.8% platelets) |
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Life span of cells |
120 days |
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Where do all cells originate |
Stem cells |
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Describe what happens at an injury |
Platelets release clotting enzyme, and vascoconstrictor released to constrict vessel diameter to stop bleeding |
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Describe vessel construct of Artery, Arteriole and capillary, venule and vein |
Artery = smooth muscle Arteriole and Capillary= epithelial cells Venule and veins= connective tissue |
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