Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Introduction to the Human Body: Levels of Organization SAP1. Students will analyze anatomical structures in relationship to their physiological functions. EQ: What is Anatomy and Physiology? Describe the levels of organization within the human body.

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 Levels of Organization  Life is built on successive levels of increasing complexity:  Chemical (or Molecular)  Cellular  Tissue  Organ  Organ System  Organism Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings Organism Level Integumentary Skeletal Muscular Nervous Endocrine Cardiovascular Lymphatic Respiratory Digestive Urinary Reproductive Organ Level The heart Cardiac muscle tissue Tissue Level (Chapter 4) Cellular Level (Chapter 3) Heart muscle cell Protein filaments Complex protein molecule Atoms in combination Chemical or Molecular Level (Chapter 2) Organ System Level (Chapters 5–20) Figure of 7

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings Complex protein molecule Atoms in combination Chemical or Molecular Level (Chapter 2) Figure of 7

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings Cellular Level (Chapter 3) Heart muscle cell Protein filaments Complex protein molecule Atoms in combination Chemical or Molecular Level (Chapter 2) Figure of 7

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings Cardiac muscle tissue Tissue Level (Chapter 4) Cellular Level (Chapter 3) Heart muscle cell Protein filaments Complex protein molecule Atoms in combination Chemical or Molecular Level (Chapter 2) Figure of 7

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings Cardiovascular Organ Level The heart Cardiac muscle tissue Tissue Level (Chapter 4) Cellular Level (Chapter 3) Heart muscle cell Protein filaments Complex protein molecule Atoms in combination Chemical or Molecular Level (Chapter 2) Organ System Level (Chapters 5–20) Figure of 7

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings Integumentary Skeletal Muscular Nervous Endocrine Cardiovascular Lymphatic Respiratory Digestive Urinary Reproductive Organ Level The heart Cardiac muscle tissue Tissue Level (Chapter 4) Cellular Level (Chapter 3) Heart muscle cell Protein filaments Complex protein molecule Atoms in combination Chemical or Molecular Level (Chapter 2) Organ System Level (Chapters 5–20) Figure of 7

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings Integumentary Skeletal Muscular Nervous Endocrine Cardiovascular Lymphatic Respiratory Digestive Urinary Reproductive Organ Level The heart Cardiac muscle tissue Tissue Level (Chapter 4) Cellular Level (Chapter 3) Heart muscle cell Protein filaments Complex protein molecule Atoms in combination Chemical or Molecular Level (Chapter 2) Organism Level Organ System Level (Chapters 5–20) Figure of 7

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Figure 1.1 Levels of Structural Organization