Allows the body's cells to grow, reproduce and survive Forms saliva (digestion) Flushes body waste, mainly in the urine Water is the major component of most body parts Needed by the brain to manufacture hormones and neurotransmitters Regulates body temperature (sweating and respiration) Acts as a shock absorber for the brain and spinal cord Lubricates joints Converts food to components needed for survival - digestion Helps deliver oxygen all over the body
