HLTH 230 Chapter Notes - Chapter 11: Hard Water, Metabolic Water, Xerostomia
20 Nov 2018
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Water balance and recommended intakes cells and their associated fluid: water intake inadequate water intake = more concentrated blood, dry mouth signals hypothalamus to initiate drinking behaviour. Excessive intake = expanded stomach receptor stretch sending signals to stop drinking: water sources. Most fruits/veg contain up to 90% water, meats/cheeses contain 50% End-product of condensation reactions (breaking down energy-yielding nutrients: water losses. Body must excrete enough water to carry out any waste products. Obligatory water excretion is a minimum of 2 cups of water a day. Coffee is a diuretic: health effects of water. Hard water: high concentrations of calcium and magnesium soft water: high concentrations of sodium or potassium soft waters are more desirable around the house but hard water is better for your body (helps hypertension and heart disease) Fluids maintain the blood volume, which in turn influences blood pressure. Kidneys adjust volume and concentration of urine to accommodate changes in the body.
