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12 Cards in this Set
- Front
- Back
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What is homeostasis? |
Maintenance of a stable internal environment, state of equilibrium |
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What are the characteristics of life? |
Maintain boundaries, movement, responsiveness, digestion, metabolism, excretion, reproduction, and growth |
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What is proper anatomical position- |
Palms up |
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Do the body systems work alone? |
No |
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What factors affect injury due to force? |
Mass/weight; pressure compression- squeezing force tension- pulling force shear- tearing apart force |
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What are the three steps of homeostasis? |
Receptor: monitors the condition of variable Control center: determines if control is needed Effector: regulates variable |
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Positive feedback- |
Increases the original stimulus to push the variable further In the body this only occurs in blood clotting(male)(female) and birth of a baby(female) |
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Negative feedback- |
Includes most homeostatic control mechanisms Shuts off the original stimulus, or reduces its intensity Works like a household thermostat Example: Sweating |
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Cranial cavity- |
The brain |
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Thoracic cavity- |
Lungs and heart |
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Spinal cavity- |
Spinal cord |
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Abdominopelvic cavity- |
Digestive(stomach), kidneys, liver, pancreas, spleen, and gallbladder |
