Water Water Everywhere

By: Anna SMith

Functions of water in the human body:

-Lubricates joints

-Regulates body temperature

-Helps prevent constipation

-Carries nutrients and oxygen to cells

-Protects body organs and tissues

-Moistens tissues such as the mouth, eyes, and nose

-Helps dissolve minerals and other nutrients to make them accessible to the body

% of water in the human body

-Babies are born with 78% of water in their body. By the time they are 1 it drops to 65%

-Adult men have 60% of water in their body

-Adult women have 55% of water in their body

Highest % of water in bodies?

A muscular person. Muscle cells are 70-78% water. While fat cells are 10-15%

What organs contain the highest % of water

Brain- 75%

Lungs- 79%

Kidney- 83%

Heart- 79%

Intestine- 75%

On average, how much water do we need

Humans need 2.5 liters of water everyday

Water's specific heat and how it benefits our body

The larger the specific heat the more energy it takes to heat up or cool down. That means water is an insulator and helps the body resist temperature changes when the temperatures are real high or low.

How long can a human survive without drinking water?

A human can survive 8-10 days without water.

Describe the relationship between water and body fat.

-Increasing water intake can help reduce body fat

-If a human gets more body fat, they'll lose water in their body

Describe dehydration.

Dehydration is a condition that occurs when the loss of body fluids, mostly water

What are the symptoms of dehydration and what are its dangers?

-increased thirst

-dry mouth

-tired or sleepy

-decreased urine output

-urine is low volume and darker in color


-dry skin


                  what are the dangers of dehydration?

-you can eventually die from lack of water

-blood gets thicker, which makes the heart pump harder

-heat cramps

-heat strokes

-swelling of the brain


-kidney failure

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