Growth is a process of quantitative changes related to the increase in size of the body changes in the structure of certain tissues and organs. Development is a process of qualitative change that are primarily caused by the maturation and differentiation of structures of certain tissues, organs and the whole organism. Growth factors are: genetic, sex, seasonal variation, race, environmental conditions, diet, disease, social and financial status. Factors affecting the growth disorders: abuse and psychological trauma (may limit the body's growth and cause permanent brain damage and other physical damage). A human life begins prenatal period of time from conception to birth. Since the birth of the child begins infancy, which lasts until the first year of life. Preschool period begins the second year of a child's life where it slows down the rate of growth in height and weight. The child explores the world around him, and show a great mental and motor activity. Subcutaneous adipose tissue starts to gradually decrease in favor of muscle mass. In the middle of the second year running child becomes more secure, and at the end of the second year the children and run without falling. School Age covers the time from the beginning of the seventh year until the age of puberty. The most important change to the children is that the milk teeth replaced by permanent. Puberty is the period in which they occur ii chemical physical changes in the body that allow the generation of offspring. When a young man first sign of an increase in the testes, and at the end of puberty in boys increases the larynx and voice becomes deeper. For girls, the first sign of a breast augmentation, and appears first menstruation. In later adulthood enter people after sixty-five years of age. The changes are visible in the overall external appearance of the body. Coming to the weakening of all the senses, especially sight and hearing. Cognitive abilities decline, and the memory of elderly people generally; easier to remember as long experienced.