Human Anatomy is a science that describes the normal morphology of human body . As we know, Human body can be devided into 9 organ systems: locomotor system, alimentary system, respiratory system, urinary system, reproductive system, endocrine system, cardiovascular system, lymphatic system, nervous System.  The so-called systematic anatomy is based on these 9 organ systems and we will learn the macroscopic structure and position and some fuctions of these organs in all systems one by one.