Water: The Forgotten Nutrient Chapter 9 Ms. Ericsson 5/18/2018
Introduction Water is an essential nutrient for life! Did you know that your body is made of 50-75 % water? Your blood is 80% water! Water is an essential nutrient for life! 5/18/2018
Topics of Discussion WATER AS A NUTRIENT… Functions in the body RDA Deficiencies Excesses Interesting fact 5/18/2018
Functions in the Body Transports nutrients and waste products, water is a solvent Water is an excellent lubricant in the body ✓aiding in digestion of food & nutrients ✓flushing the body of wastes ✓maintaining a healthy complexion ✓weight control Regulates body temperature through your blood and perspiration. Solvents are liquids in which substances can be dissolved. Water can dissolve amino acids from proteins, glucose from carbohydrates, minerals, ad water-soluble vitamins. Lubricant is a substance that reduces friction between surfaces. Water in saliva lubricates food as you swallow it. Normal body temperature is 98.6% 5/18/2018
Video How Water Affects Your Body (3:58) https://www.youtube.com/watch?v=CXGLbqoo9Tw 5/18/2018
Keeping Water in Balance Cellular Water Balance If cells have too much water they can burst If cells have too little they will collapse Cells have water in them called Intracellular water Cells also have water outside the cell wall called extracellular Water Body also needs to keep water intake and water loss in balance 5/18/2018
Diuretics Substances that increase urine production Prescription drugs Energy drinks Coffee Soft drinks Tea containing caffeine Doctors prescribe diuretics for patients with high blood pressure or body fluid imbalances. 5/18/2018
Recommended Daily Allowance RDA Females and Males ages 14 to 18 need 2 ½ - 3 ½ quarts a day WHERE DO Y0U GET H20 *FAUCET *DARK, GREEN LETTUCE *WATERMELON, YOGURT, GRAPEFRUIT *DECAFFEINATED LIQUIDS 5/18/2018
Deficiencies *Inability of the body to maintain normal temperature *Dehydration, seizures, heat stroke *Build-up of body’s waste products *Stress on kidneys, kidney stones *eventual death 5/18/2018
Excesses A normally functioning body cannot over hydrate itself! Water Intoxication can occur by drinking too much water and consuming too few electrolytes. It takes consumption of over 2 gallons (256 oz= 32 8 oz. Glasses of water) per day for a period of time to affect the sodium balance in your body. 5/18/2018
What This Means INTERESTING FACTS *On an average the body uses 2 – 3 quarts of water each day *A good rule of thumb is to drink 1 - 8oz. Cup of water for every ½ pound of water lost through perspiration *You can live 10 plus days without food but only 3 Days without water! *You need water in the winter prior to exercising, just like the summer! 5/18/2018
Keep track of your H2O intake today Next Steps YOUR CHALLENGE! Keep track of your H2O intake today 5/18/2018
References West, Dorthy F. “Chapter 10/Water:The Forgotten Nutrient.” Nutrition & Wellness for Life. Tinley Park: Goodheart-Willcos, 2012. 236-47. Print. 5/18/2018