Water - The Liquid of Life
All the Water in the World • 3/4 of the Earth is covered with water. • 97% of this water is salt water. • 3% is fresh water. • 2/3 of the fresh water is trapped in the polar ice caps. • Only 1% of the water is useable.
Water in the Human Body • Transports nutrients and wastes. • Lubricates joints and organs. • Aids in digestion. • Helps control body temperature. • Plays a role in synthetic reactions. • Assists in removing wastes.
Transportation • Our blood is . . . • The body’s main transportation system. • 83% water. • Blood carries . . . Nutrients Hormones Enzymes Oxygen Other materials
Lubrication • Water lubricates . . . • Joints. • Organs. • Fluids between internal organs. • This helps . . . • Reduce friction within the body. • Ease movement.
Digestion • Water helps . . . • Break down certain foods. • Transport foods through the digestive tract.
Temperature Control • Water . . . • Changes temperature slowly. • Stores heat. • Helps regulate body temperature.
Synthetic Reactions • Water aids in . . . • Digestion of protein and carbohydrates. • Building hormones and enzymes.
Waste Removal • Water helps . . . • Transport wastes through kidneys and intestines. • Remove waste through perspiration and the air we exhale.
Reaching a Balance • Adults typically need 6 to 8 cups of water or fluid each day. • Amount depends upon: • Body size. • Level of physical activity. • Age. • Overall health. • Climate.
Water Sources • Beverages we drink: • Water, fruit juices, milk, and decaffeinated beverages are good choices. • Beverages containing caffeine or alcohol can cause fluid loss.
Water Sources • Foods we eat: • Fruits and vegetables are good sources of water. • Meat, fish and chicken also provide water. • Grain products offer a minimal amount of fluid.
Our Water Supplies • Tap water from: • Public water systems. • Private water supplies. • Bottled water.
Public Water Systems • Supply water to at least 25 people or 15 connections for at least 60 days per year. • Must follow set regulations.
Private Water Systems • Include wells, springs, cisterns. • Are impacted by few regulations. • Water users are responsible for the quality of their water. • Testing at least once a year is recommended.
Bottled Water • Popular consumer item. • Regulated through the Food & Drug Administration. • Regulations impact quality, processing and labeling.
Water Wellness • Each of us can protect our water supplies. Follow these tips: • Handle chemicals and cleaning products with care. • Keep your automobile in good working condition.
Water Wellness • Tips (cont’d.) • Use fertilizers and pesticides wisely. • Limit soil erosion. • Always conserve water.
Water - We depend upon it for health, and it depends upon us!!