Importance of Water Part 1.

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Presentation transcript:

Importance of Water Part 1

Water, pH, Acids, Bases, Buffers, and You

“Chemical reactions underlie all physiological processes.”

Organic Compounds contain carbon covalently bonded large - macromolecules made by living things

Inorganic Compounds all others, essential for life Carbon dioxide CO2 Water H2O Carbon dioxide CO2 Oxygen O2

Water most abundant and important 60% to 80% vol. of living cells

Why is water important to you? Importance of Water to Humans

1. high heat capacity prevents sudden changes in temperature ex: blood (contains water) distributes heat

2. high heat vaporization sweat cools the body heat energy is released as bonds are broken (from liquid to gas)

3. polarity / solvent properties biological molecules do not react chemically unless they are in solution all chemical reactions occurring in the body depend on water’s solvent properties