notes/education/nutrition/Water.md

• The body is composed of 50 to 75% water
  • Lean muscle contains more water (73$
  • Fat tissue contains less water (20%)
• For a healthy person, water intake equals water outtake

Functions

• Is a solvent
• Is a major component of blood, saliva, sweat, tears, mucus, and joint fluid
• Removes waste
• Helps transport substances
• Lubricates tissues
• Regulates body tempurature
• Helps digest foods
• Participates in many chemical reactions
• Helps maintain proper blood pH
• Doesn't play a major role in immune system function

Compartments

• The body has two major fluid compartments:
  • Intracellular water is inside the cells - Managed by potassium and phosphorus
  • Extracellular water surrounds cells or is in the blood - managed by sodium and chloride
• Water follows sodium

Dehydration

• Common signs of dehydration:
  • Rapid weight loss
  • Dry or sticky mouth
  • Low or no urine output
  • Dark urine
  • No tears
  • Sunken eyes
• If not corrected, dehydration can lead to death