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How is Water Essential to Life?. FACTS ABOUT WATER What percent of the planet is water? What percent of the planet is water? How much is fresh water?

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Presentation on theme: "How is Water Essential to Life?. FACTS ABOUT WATER What percent of the planet is water? What percent of the planet is water? How much is fresh water?"— Presentation transcript:

1 How is Water Essential to Life?

2 FACTS ABOUT WATER What percent of the planet is water? What percent of the planet is water? How much is fresh water? How much is fresh water? Where is most of the fresh water? Where is most of the fresh water? What percent of your body is water? What percent of your body is water? ~ 75% ~ 75% 3% 3% Icebergs Icebergs ~70% ~70%

3 Why is Water so Important? The human body is composed of 25% solids and 75% water. The human body is composed of 25% solids and 75% water. Brain tissue is said to consist of 85% water. Brain tissue is said to consist of 85% water. We can go without food for almost two months, but without water only a few days We can go without food for almost two months, but without water only a few days Without water, we'd be poisoned to death by our own waste products Without water, we'd be poisoned to death by our own waste products We even need water to breathe: our lungs must be moist to take in oxygen and excrete carbon dioxide We even need water to breathe: our lungs must be moist to take in oxygen and excrete carbon dioxide

4 What does water do in my body? Water helps your body with the following: Water helps your body with the following: –Lubricates and cushions your joints. –Protects your spinal cord and other sensitive tissues. –Gets rid of wastes through urination, perspiration, and bowel movements. –Water is necessary for all digestive, absorption, circulatory, and excretory functions –Water is needed for the utilization of the water- soluble vitamins. –It is needed for the maintenance of proper body temperature. –Drinking water helps increase your metabolism

5 Signals of dehydration can be any of the following symptoms: Heartburn, stomach ache Heartburn, stomach ache Non-infectious recurring or chronic pain Non-infectious recurring or chronic pain Low back pain Low back pain Headache Headache Mental irritation and depression Mental irritation and depression Water retention ( ironic but true! ) Water retention ( ironic but true! )

6 How much water should you drink? Daily Water Requirements: Drink % of your body weight in ounces. Sedentary people: 50%; Active people: 75% Daily Water Requirements: Drink % of your body weight in ounces. Sedentary people: 50%; Active people: 75% Twenty percent of your water need will come from the foods you eat Twenty percent of your water need will come from the foods you eat

7 How much water do these foods have? Broiled chicken Broiled chicken Watermelon Watermelon Bananas Bananas Almonds Almonds Onions Onions Lettuce Lettuce 71% 71% 93% 93% 76% 76% 7% 7% 89% 89% 96% 96%


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