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LAST LECTURE WE TALKED ABOUT DIETARY MINERALS IN SPORTS TODAY WE WILL TALK ABOUT WATER

LAST LECTURE WE TALKED ABOUT DIETARY MINERALS IN SPORTS TODAY WE WILL TALK ABOUT WATER. Lecture 15 WATER. OUTLINE OF LECTURE 15 WATER-SOME GENERAL COMMENTS. OUTLINE OF LECTURE 15 WATER-IDATME WATER-FUNCTIONS WATER-SOURCES -DEFICIENCIES AND TOXICITIES

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LAST LECTURE WE TALKED ABOUT DIETARY MINERALS IN SPORTS TODAY WE WILL TALK ABOUT WATER

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  1. LAST LECTURE WE TALKED ABOUT DIETARY MINERALS IN SPORTS TODAY WE WILL TALK ABOUT WATER

  2. Lecture 15 WATER

  3. OUTLINE OF LECTURE 15 WATER-SOME GENERAL COMMENTS

  4. OUTLINE OF LECTURE 15 WATER-IDATME WATER-FUNCTIONS WATER-SOURCES -DEFICIENCIES AND TOXICITIES -WATER BALANCE -INTERACTION WITH OTHER NUTRIENTS AND IONS

  5. WATER-SOME GENERAL COMMENTS H2O 

  6. WATER- GENERAL COMMENTS CONTINUED Essential-we can make it but not nearly in sufficient quantities

  7. WATER-IDATME INGESTION- oral, tube, intravenous DIGESTION – not broken down ABSORPTION-passive large and small intestine TRANSPORT-free

  8. WATER-IDATME METABOLISM- already in correct form water in = water out -we can make water-Kreb’s -synthesis -we can consume water-catabolism EXCRETION- sweat, urine, faeces, lungs

  9. Water functions/sources/deficiencies/toxicities

  10. FUNCTIONS OF WATER -carries nutrients and wasteproducts -fluid and electrolyte balance -ion balance -maintains the structure of large molecules e.g. proteins and glycogen -participates in chemical reactions -serves as solvent for nutrients -temperature-regulation -blood volume-regulation

  11. -carries nutrients and wasteproducts

  12. -fluid and electrolyte balance -fluid balance in cells critical or cells burst -water dissolves compounds into water creating ions -ions are charged particles eg Na+ andCl- -must have equal number of charges in pool eg Na+ and Cl- i.e. that cations must balance the anions in terms of charge so that the net charge is zero -or get electrolyte imbalance

  13. Fig. 12-4, p. 390

  14. -fluid and electrolyte imbalance -sweating -diarrhea -vomiting all cause imbalance- fixed by food and drink

  15. Fig. 12-6, p. 391

  16. -acid base balance (pH) ion balance regarding carbon dioxide buffers-bicarbonate and carbonic acid lungs-carbon dioxide kidneys-bicarbonate

  17. Fig. 12-8, p. 393

  18. Fig. 12-7, p. 392

  19. -maintains the structure of large molecules e.g. proteins and glycogen

  20. -participates in chemical reactions -splitting- catabolism -elimination-anabolism -electron transport chain -elimination and electron transport chain-metabolic water

  21. -participates in chemical reactions -splitting diag

  22. Fig. 6-3, p. 175

  23. -participates in chemical reactions Krebs- diagram

  24. -serves as solvent for nutrients

  25. -temperature-regulation

  26. -blood volume-regulation

  27. WATER BALANCE water balance required for all this above

  28. Table 12-3, p. 385

  29. WATER- TO MEET FUNCTIONS AND WATER BALANCE Sources-foods, drinks, water

  30. Table 12-2, p. 385

  31. WATER TOXICITIES AND DEFICIENCIES water balance is water in=water out i.e. IDATME note water in-consumption and metabolic water we make water out- urine, faeces, sweat, lungs, vomiting and diarrhea water balance required to avoid deficiencies and toxicities

  32. WATER TOXICITIES AND DEFICIENCIES Deficiency-loss of function Toxicity-metabolic interference

  33. WATER TOXICITIES AND DEFICIENCIES Deficiency-loss of function-elaboration -electrolyte imbalance

  34. Table 12-1, p. 384

  35. WATER TOXICITIES AND DEFICIENCIES Toxicity-metabolic interference -congestive heart failure -blood pressure -renal damage-further fluid imbalance -electrolyte imbalance -cells bursting

  36. WATER TOXICITIES AND DEFICIENCIES Not likely if one is following an appropriate diet at all times Proper diet ensures sufficient water Water and the macronutrients they interact with frequently come in a package

  37. THUS THERE IS AN INTEGRATION OF SOURCE, FUNCTION, DEFICIENCY AND TOXICITY

  38. INTEGRATION OF WATER WITH OTHER NUTRIENTS AND IONS CARBOHYDRATES LIPIDS PROTEINS VITAMINSMINERALS OXYGEN IONS

  39. INTEGRATION OF WATER WITH OTHER NUTRIENTS AND IONS CARBOHYDRATES -shape-function -interaction with other nutrients in solution -solvent including water soluble fibre -idatme -wwfq

  40. INTEGRATION OF WATER WITH OTHER NUTRIENTS AND IONS LIPIDS -interaction with other nutrients in solution -idatme -wwfq

  41. INTEGRATION OF WATER WITH OTHER NUTRIENTS AND IONS PROTEINS -shape-function -interaction with other nutrients in solution -idatme -wwfq

  42. INTEGRATION OF WATER WITH OTHER NUTRIENTS AND IONS VITAMINS -solvent-water soluble vitamins -interaction with other nutrients in solution -idatme -wwfq

  43. INTEGRATION OF WATER WITH OTHER NUTRIENTS AND IONS MINERALS -solvent -interaction with other nutrients in solution -idatme -wwfq

  44. INTEGRATION OF WATER WITH OTHER NUTRIENTS AND IONS OXYGEN -solvent -idatme -wwq

  45. INTEGRATION OF WATER WITH OTHER NUTRIENTS AND IONS IONS -solvent -idatme -wwfq- form including minerals -pH

  46. Fig. 12-7, p. 392

  47. Fig. 12-8, p. 393

  48. OUTLINE OF LECTURE 15 WATER-SOME GENERAL COMMENTS

  49. OUTLINE OF LECTURE 15 WATER-IDATME WATER-FUNCTIONS WATER-SOURCES -DEFICIENCIES AND TOXICITIES -WATER BALANCE -INTERACTION WITH OTHER NUTRIENTS AND IONS

  50. NEXT LECTURE – DIETARY WATER IN SPORTS

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