29 - Nutri Sci 10/29 2008-10-29 Fluid balance Thirst...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Nutri Sci 10/29 15:00 Fluid balance Thirst Absorption o No digestion required o Water in food absored in large intestine o Free water (drinking straight water on empty stomach) absorbed in small  intestine o 98% absorbed water distribution intracellular component inside cells (60%) extracellular compartment (40%) o blood plasma  o intestinal fluid o GI secretions o Leaves o Synovial fluids Fluid shifts o Osmosis  the movement of water from an area of low solute conentration  to an area of high solute concentration o Osmotic pressure  causes fluid shifts Sodium, potassium and protein Maintain our intra- and extra-cellular volumes Cells pump minerals to move water Excretion Routs o Via kidney (urine) o Via GI tract (feces)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
o Via skin (sweat) o Via and skin and lungs (insensible losses) Regulate with kidneys Kidneys regulate water and electrolytes Typical losses
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

29 - Nutri Sci 10/29 2008-10-29 Fluid balance Thirst...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online