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Hydration is comprised of what?
Water and Electrolyte (Sodium, Potassium, Chloride)
What percentage of a baby is made up of water?
Babies are 70% water
What percentage of children are made up of water?
Children are 60% Water
What percentage of an adult and elderly individuals body is made up of water?
Adults and Elderly are 50-60% water
How much of the brain is water?
73%
How much of the lungs is water?
83%
How much of the skin is water?
64%
How much of the kidneys and muscles is water?
79%
How much of the blood is water?
95%
What does water do in the body?
Maintain component of cells; Necessary for growth and reproduction; Aids digestion; Helps deliver oxygen; Regulates temperature; Acts as shock absorber; Lubricates joints; Keeps membranes moist; Flushes body waste; Used to make hormones and neurotransmitters
Why is water crucial to survival?
Maintaining the right level of water in the body is crucial to survival
How does water leave the body?
Water leaves the body via kidneys, skin, lungs, and feces
Osmoregulation
Regulation of water in and outside the cell; Water moves across membrane to equalize concentrations of solutes
Hydration
The replacement of body fluids lost through sweating, exhaling, and eliminating waste
How much water does the body lose each day?
2-3 quarts of water
Excessive Hydration
Puts pressure on heart and causes edema (Fluid stuck in tissues)
Lack of Hydration
Dehydration
Hydration Balance
Balance of fluid is regulated by hormones; Balance between input and output should be 1:1
Electrolytes
Electrically charged minerals that cause physiological reaction, trying to maintain homeostasis; Keep the body hydrated; Regulated by kidneys and hormones
Sodium
Muscle Movement, Nerve Impulses, Blood Pressure
Potassium
Health Blood pH Level, Nerve Impulses and Muscle Contraction, Regulate Heartbeat
Chloride
Assists with intracellular and extracellular fluid balance in body; Aids in Digestion; Main Source - Table Salt