1. Bellringer
How much water do you think we need a day?

2. The Forgotten Nutrient
Water
The Forgotten Nutrient

3. 6 major nutrients we need for survival
Carbohydrates
Fats
Proteins
Vitamins
Minerals
Water

4. WATER Essential nutrient that must be replaced everyday
Depending on your health, you MAY be able to survive 8-10 weeks without food, but without water, you can only survive a few days!

5. How much of our body is water?
(in gallons)
On average, body weight is 50 to 75% water or about gallons.
Water is a simple substance containing two parts hydrogen and one part oxygen (H20).
It has no calories, but every body process needs water to function.

6. Why do we need water?
Water regulates your body temperature, keeping it constant at about 98.6 F
Many body processes produce heat, including any physical activity. Through perspiration, heat escapes from your body as water evaporates on your skin.

7. Water Vocab Lubricant:
A substance that reduces friction between surfaces.
Ex: The water in saliva lubricates food as you swallow it.

8. What can water do for you?
Improve your mental and physical performance
Remove toxins and wastes from the body
Help you lose weight
Avoid or cure headaches caused by dehydration
Make your skin look clear and healthy

9. How much is necessary? 6 - 8 Cups a day -OR-
A good estimate is to take your body weight in pounds and divide that number in half.
(_____lbs./2)= the number of ounces of water per day that you need to drink.
Ex. 150 lbs./2 = 75 oz
If you exercise you should drink another 8 ounce glass of water for every 20 minutes you are active. (1/2-1 cup)

10. Water loss…
One and one-half cups of water is lost just through breathing.
The average adult loses about three quarts of water daily through perspiration, urination, bowel movements and even breathing. *Kidneys produce/regulate the amount of urine lost

11. Factors that increase water loss
High altitude=heavier breathing=greater output of water vapor
Hot weather and/or exercise=sweating
Illness: vomiting, diarrhea, bleeding, high fever
Diuretics:
Substances that increase urine production.
*Caffeine and alcohol.
*Coffee and soda are not good choices for fluid replacement.

12. Signs of Dehydration Dark Urine/Strong Odor/Low Volume
Dark Sunken Eyes
Low Energy/Fatigue
Irritability/Emotional Instability
Thirst/ You are already dehydrated
Loss of Skin Elasticity
When you lose 2% of body weight in fluids, you become aware of the sensation of thirst.

13. Water in Foods
Juicy fruits and vegetables such as celery, lettuce, tomatoes and watermelon contain more than 90% water.
Even dry foods such as bread supply some water.

14. Water Content in Foods Apple vs. Grapes Apples
Grapefruit vs. Strawberries
Strawberries
Oranges vs. Pineapples
Equal amounts
Broccoli vs. Cauliflower
Cauliflower
Celery vs. Tomatoes
Celery
Cucumber vs. Iceberg Lettuce

15. We can have TOO MUCH water
Water intoxication:
A rare condition caused by drinking too much water.
Symptoms: headache, muscle weakness
*Severe cases can cause death*

16. Water and Weight Loss Helps flush out toxins and fat
Helps one feel full without calories
Just replace some of the high calorie foods you eat with fruits, vegetables and other water dense foods that keep you just as full

17. BEWARE!
Kidney stones:
Hard particles of mineral deposits that form in the kidneys.
Very painful when you have to pass from kidney to bladder and out of the body!
Dark yellow urine=high concentration of wastes
When water intake is too low, the kidneys must work in overtime to eliminate wastes.

18. Bottled vs. Tap Water
Bottled is no healthier than safe, clean tap water
Taste: dissolved minerals give water its taste
Safety: depends on where you live, but most tap water is safe and treated to government standards
Bottled water comes from the same source as tap water, FDA requires bottled and tap water meet the same standards