2024-11-12 19:48:48 +00:00
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- The body is composed of 50 to 75% water
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- Lean muscle contains more water (73$
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- Fat tissue contains less water (20%)
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2024-11-12 19:53:50 +00:00
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- For a healthy person, water intake equals water outtake
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2024-11-12 19:48:48 +00:00
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# Functions
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- Is a solvent
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- Is a major component of blood, saliva, sweat, tears, mucus, and joint fluid
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- Removes waste
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- Helps transport substances
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- Lubricates tissues
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- Regulates body tempurature
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- Helps digest foods
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- Participates in many chemical reactions
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- Helps maintain proper blood pH
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- **Doesn't play a major role in immune system function**
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# Compartments
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- The body has two major fluid compartments:
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2024-11-12 19:53:50 +00:00
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- **Intracellular water** is inside the cells - Managed by potassium and phosphorus
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- **Extracellular water** surrounds cells or is in the blood - managed by sodium and chloride
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2024-11-12 19:59:01 +00:00
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- Water **follows** sodium
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# Dehydration
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- Common signs of dehydration:
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- Rapid weight loss
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- Dry or sticky mouth
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- Low or no urine output
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- Dark urine
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- No tears
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- Sunken eyes
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2024-11-12 20:05:01 +00:00
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- If not corrected, dehydration can lead to death
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# Hyponatremia
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- Water intoxication is a condition that occurs when too much water is consumed in a short period of time or kidneys can't filter water from blood
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- Excess water dilutes sodium concentration of blood
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- Results in hyponatremia
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- Low blood sodium
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- Symptoms: confusion, dizziness, headache, can lead to death
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