ELAINE N. MARIEB EIGHTH EDITION 1 Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation by Jerry L. Cook, Sam Houston University ESSENTIALS OF HUMAN ANATOMY & PHYSIOLOGY PART A The Human Body: An Orientation
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings The Human Body – An Orientation Anatomy – study of the structure and shape of the body and its parts Physiology – study of how the body and its parts work or function
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Anatomy – Levels of Study Gross Anatomy Large structures Easily observable
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Figure 14.4 Anatomy – Levels of Study Microscopic Anatomy Very small structures Can only be viewed with a microscope
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Figure 1.1 Levels of Structural Organization
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Figure 1.2a Organ System Overview Integumentary Forms the external body covering Protects deeper tissue from injury Synthesizes vitamin D Location of cutaneous nerve receptors
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Figure 1.2b Organ System Overview Skeletal Protects and supports body organs Provides muscle attachment for movement Site of blood cell formation Stores mineral
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Figure 1.2c Organ System Overview Muscular Allows locomotion Maintains posture Produces heat
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Figure 1.2d Organ System Overview Nervous Fast-acting control system Responds to internal and external change Activates muscles and glands
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Figure 1.2e Organ System Overview Endocrine Secretes regulatory hormones Growth Reproduction Metabolism