Nutrition - Hydration

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22 Terms

1

Hydration is comprised of what?

Water and Electrolyte (Sodium, Potassium, Chloride)

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2

What percentage of a baby is made up of water?

Babies are 70% water

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3

What percentage of children are made up of water?

Children are 60% Water

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4

What percentage of an adult and elderly individuals body is made up of water?

Adults and Elderly are 50-60% water

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5

How much of the brain is water?

73%

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6

How much of the lungs is water?

83%

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7

How much of the skin is water?

64%

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8

How much of the kidneys and muscles is water?

79%

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9

How much of the blood is water?

95%

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10

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

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11

Why is water crucial to survival?

Maintaining the right level of water in the body is crucial to survival

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12

How does water leave the body?

Water leaves the body via kidneys, skin, lungs, and feces

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13

Osmoregulation

Regulation of water in and outside the cell; Water moves across membrane to equalize concentrations of solutes

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14

Hydration

The replacement of body fluids lost through sweating, exhaling, and eliminating waste

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15

How much water does the body lose each day?

2-3 quarts of water

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16

Excessive Hydration

Puts pressure on heart and causes edema (Fluid stuck in tissues)

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17

Lack of Hydration

Dehydration

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18

Hydration Balance

Balance of fluid is regulated by hormones; Balance between input and output should be 1:1

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19

Electrolytes

Electrically charged minerals that cause physiological reaction, trying to maintain homeostasis; Keep the body hydrated; Regulated by kidneys and hormones

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20

Sodium

Muscle Movement, Nerve Impulses, Blood Pressure

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21

Potassium

Health Blood pH Level, Nerve Impulses and Muscle Contraction, Regulate Heartbeat

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22

Chloride

Assists with intracellular and extracellular fluid balance in body; Aids in Digestion; Main Source - Table Salt

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