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10 Cards in this Set
- Front
- Back
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What hormone released by the pituitary gland and controlled by the hypothalamus which reduces the reabsorption of water in the nephrons?
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ADH
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What is it called when chemicals move from one concentrated are move to an area of lower concentration?
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Diffusion
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What is it called when water moves from one concentrated are move to an area of lower concentration through a partially permeable membrane?
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Osmosis
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What is the `normal` body temperature?
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37°c
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What happens when you're too cold?
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Vasoconstriction-reduces the area if blood vesseld in order to retain heat
Shivering-uses energy which warms your body Goosebumps- muscles under body hairs tense to use energy |
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What happens when you're too hot?
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Vasodilation-blood vessels increase their surface area to loose heat faster
Sweat-glands produce it so when the water in it evapourates, you skin cools |
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What is it called when an enzymes is changed through extreme heat or pH?
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Denaturing
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What is the model called when an enzyme has to be complimentary to the active site in order to work?
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Lock and key model
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What are symptoms of hypothermia?
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Shivering, low energy, confusion, memory loss, loosing control of limbs, unconsciousness
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What are symptoms of heat stroke?
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Headaches, dizziness, nausea, vomiting, confusion, hallucinations, loss of appetite, disorientation
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