Human Body
Chapter 1 An Introduction to the Human Body Anatomy & Physiology Defined 1. Anatomy - Science of body structures & the relationship among structures. ... Anatomy was first studied by dissection - the careful cutting apart of body structured to study their relationships. ... Physiology - Science of body functions - how parts work 3. ... Note: Chart of subdisciplines of Anatomy & Physiology Levels of Body Organization 1. Levels of Body Organization A. Chemical Level - includes atoms and molecules (2 or more atoms joined together) an example of molecules found in the body is DNA, examples of atoms found in the body are carbon (C), Hydrogen (H). ... Cells are the basic structural and functional units of a organism and are the smallest living units in the body.