The human body has 70% water. Why do we need so much?

Answer 1

Because you have to replace ALL the fluid you excrete. Simple no?

Answer 2

There is an easy way to answer this. Go buy some banana chips and a real banana. Compare the two. The real banana is people with 70% water. The banana chips are people without. Which would you rather be?

Answer 3

You need to understand the properties of water. These properties are essential to human life. Here are just a few:
1) cohesive/adhesive
2) polar
3) high heat capacity
4) surface tension
4) hydrogen bonds to a lot of stuff

There are more, but these are just the stuff I can think off the top of my head

Answer 4

1. Chemical processes necessary for live are used by the remaining 30% of the body.

2. To clean out the processed crap we put in the body.

Answer 5

Because the body loses a lot of that water from sweating, breathing, etc. You need to replenish it frequently.

Picture a swimming pool that loses 20% of its water daily through evaporation.

Answer 6

Some reasons:

-Water is the universal solvent, virually everything (except non polar substances) dissolve in it.
- Water is an ideal coolant, it is needed for maintaining a constant body temperature, by circulating the heat and by sweating.

Answer 7

Your body requires various forms of electrolytes to perform is basic needs, and for converting energy from one form to another, the only solvent capable of breaking down any form of nutrients is water.

Answer 8

because of all the chemical process in our body requires it, blood, bowl movement, urine, everything our body does needs water in some way form of fashion