The human body consists in cells, tissues and organs; where is divided for ten systems important; than which is skeletal, muscular, cardiovascular, nervous, endocrine, lymphatic, respiratory, digestive, urinary, reproductive. The skeletal system consists in the 200 bones; this system is important because hold the body and give it shape also protect organs. We have the muscular system which help the movement. It´s found the cardiovascular system that helps us to circulate of the blody and oxygen, nutrients. The nervous system is important transmit information and coordinate bodily functions; all system mentionated is more important. We have regulation systems that are endocrine, lymphatic, urinary.