Different roles of growth hormone
The human growth hormone is the most important hormone in your body. It has many vital functions. The main functions of the human growth hormone are discussed below-
The most important effect of human growth hormone is seen on the muscles of the body. After reaching puberty, the levels of the human growth hormone in body increases and this helps in developing the particular muscle mass that your body requires.

Next function of the growth hormone is the elongation of the bones with the help of calcium and other minerals. The human growth hormone along with the help of other hormones promotes that mineral metabolism and thus favors the deposition of the minerals in the bones.
The human growth hormone also combats the ageing process. The growth hormone is responsible for the renewal of the skin cells and also the cells of the hair. The growth hormone helps in reproduction of the new cells and thus promotes the cell division.
Since the growth hormone controls the metabolism of the body it helps in enhancing the energy levels. You feel more energetic when you are young as compared to the old age when your body has low growth hormone levels.