Water Water Everywhere
By: Anna SMith
Functions of water in the human body:
-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
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
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?
-tired or sleepy
-decreased urine output
-urine is low volume and darker in color
what are the dangers of dehydration?
-you can eventually die from lack of water
-blood gets thicker, which makes the heart pump harder
-swelling of the brain