Water is a:
- Solvent (All chemical Reaction in living cells take place in an aqueous solution of Water)
- Reactant (Water Breaks food in Digestion by Hydrolysis Reaction)
- Transport Medium (90% of Plasma is water to dissolve substances to be carried around)
- Lubricant (The Synovial Fluid between bones in vertebrates)
- An aqueous Medium for Sexual Reproduction (Necessary for Sperms to Swim to female Gamete)
- Raw Material (It's is essential in Photosynthesis as a raw material to combine with CO2 in the presence of Light Energy to build up organic food in plants)
- Cooler (Warm-Blooded animals produce water as Sweat to Evaporate and take heat energy from their body to cool them)
- Support to Plants (When the Vacuole in plant cell is full of water, the cells are turgid. Supporting the plant by making it Firm)
