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18 Cards in this Set
- Front
- Back
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What % of our body is water?
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70%
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What is the distribution of water in our body?
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intracellular = 67%
extracellular = 33% |
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What % water is interstitial fluid? (between plasma and cells)
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25%
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What changes occur with growth and aging related to water?
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total and extracellular water decreases
intracellular water increases |
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What is a measure of osmotic pressure in our body>
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blood pressure>
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what is the functional unit of the kidney?
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nephron
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Where does blood come into the kidney and drop off most of its fluid?
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Bowman's capsule
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Where does resorption of nutrients occur in the kidney?
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loop of henle
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What takes in what body needs from the kidneys
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capillaries
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What are the steps in urine formation?
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1. filtration
2. reabsorption 3. secretion |
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What 2 regulating hormones have roles in the kidneys?
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ADH and aldosterone
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Where is ADH secreted from ?
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hypothalamus
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When does ADH get excreted?
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when theres high extracellular osmolality (Na)
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What effect does ADH have on the kidney?
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tells it to absorb WATER and NA to increase BP
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What is aldosterone activated by?
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low BP
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where are blood pressure sensors in the kidney
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bowman's capsule
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What effect does aldosterone have on the kidneys?
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stimulate NA an WATER reabsorption and K excretion
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What BP regulating hormone is controlled by the kidneys and brain?
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Kidney's: aldosterone
Brain: ADH |
