Stages Of Human Development Essay

Even though the phases of human development are biological defined, it also would be defined as culturally way. human development process be analyze in different aspect. if we stand in bio angel: which include three stages in the growth cycle: first is prenatal stage, which also includes the three periods, or trimesters, of pregnancy and ends with birth. The second stage is postnatal stage, " which includes the neonatal period, infancy, the juvenile period, puberty and adolescence. " (Clark )The third stage is as adult stage," includes the reproductive period, from about age 20 to the end of the childbearing years, usually by age 50 for women and later for men."( Clark). Stand in the culture aspect, “ development of the people involves building human capabilities through the development of human resources, development for the people implies that the benefits of growth must be translated into the lives of people, and development by the people emphasizes that people must be able to participate actively in influencing the processes that shape their lives". The culture mainly emphsized on their growing environment. how the growing …show more content…
as the textbook mentioned: " the body needs UV radiation for the synthesis of vitamin D, a steroid hormone that regulates calcium absorption and mineralization of the skeleton. most vitanmin D is produced in the skin" (Clark). if human being did not get enough vitamin D or sunshine, which would not benefit their growing, the bone will not mineralize properly, resulting in a condition called rickets in children. here is some information I found on the government website; " vitamin D and folate are highly UV sensitive, and critical for maintaining health throughout the lifecycle, we examine whether solar irradiance during the first trimester of pregnancy influences the vitamin D receptor gene and nuclear folate gene variant