The central nervous system has two functions. One, where the brain is, is to be the center of thoughts and the interpreter of outside influences, while the spinal cord connects all parts of the body with the brain.
Leptin
Leptin is a hormone produced by the adipose
tissue of the human body. It is made up of 167 amino acids and it performs its
key role in the regulation of body weight, energy balance and endocrine
function. However, deficiency if leptin and its receptor in human will result in
obesity.
Well, on average 2/3 of a persons weight is water.
