Term
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Definition
- essential nutrient for the body
- it makes between 50-75% of a person's body weight
- 2/3 of the water in the body is intracellular fluid
- 1/3 of the water in the body is extrcellular fluid, which is between cells and in the blood
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Term
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Definition
- moves nutrients and waste in the body
- lubricates the joits
- participates in several chemical reactions
helps maintain the body's temperature |
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Term
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Definition
1-1.5 mL per kilocalorie or around 16 fluid oz a day |
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Term
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Definition
intake must equal bout the same as excretion and if you do not maintain this balnce behydration can occur |
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Term
| when water level is low in the body |
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Definition
| the hypothalamus in the brain signals the pituitary gland, which secretes an antidiuretic hormone (ADH). This signals to the kidneys to reabsorb water so none is lost through the urine and blood pressure increases |
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Term
| when water level is high in the body |
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Definition
the kidneys secrete large amounts of dilute urine and alcohol and caffenice inhibits ADH, causing dehydration |
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Term
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Definition
they disolve and transport substances account for blood volume helps maintain the body temperature protects and lubricates joints |
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Term
| When minerals or salts disolve in water the form ions know as electrolytes |
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Definition
| sodium ions are cations and chloride ions are anions |
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Term
| electrolytes attract water molecules to them |
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Definition
| the water molecule will rotate to accomodate to either the positive or negative side of an ion |
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Definition
they regulate fluid balance enable nerves to respond stimuli signal muscles to contraction |
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Term
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Definition
sweating bleeding urine or poop vomiting diarrhea |
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