Essentials of Human Anatomy Physiology Seventh Edition Elaine

Essentials of Human Anatomy & Physiology Seventh Edition Elaine N. Marieb Chapter 11 Introduction to the Heart Lecture Slides in Power. Point by Jerry L. Cook Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

The Heart: In Thoracic Cavity Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 11. 1

Blood Circulation Heart is a “double pump” for 2 circuits: 1. Pulmonary – to and from lungs 2. Systemic – to and from body tissues Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 11. 3

Blood Circulation • Right side of heart: deoxygenated blood • Left side of heart: oxygenated blood Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 11. 3

External Heart Anatomy 4 chambers: atria receive; ventricles pump Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 11. 2 a

External Heart Anatomy 4 chambers: atria receive; ventricles pump left atrium right ventricle Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings left ventricle Figure 11. 2 a

External Heart Anatomy Veins bring blood to the heart from body and lungs. Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 11. 2 a

External Heart Anatomy Veins bring blood to the heart from body and lungs. superior vena cava right pulmonary vein left pulmonary vein inferior vena cava Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 11. 2 a

External Heart Anatomy Arteries take blood away from the heart to body and lungs. Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 11. 2 a

External Heart Anatomy Arteries take blood away from the heart to body and lungs. aorta Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 11. 2 a

External Heart Anatomy Arteries take blood away from the heart to body and ascending and lungs. descending branches aorta Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 11. 2 a

External Heart Anatomy Arteries take blood away from the heart to body and lungs. aorta pulmonary trunk (artery) Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 11. 2 a

External Heart Anatomy Arteries take blood away from the heart to body and lungs. branches into right and left pulmonary arteries Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings pulmonary trunk (artery) Figure 11. 2 a

Internal Heart Anatomy Valves separate chambers and arteries Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 11. 2 a

Internal Heart Anatomy Valves separate chambers and arteries tricuspid valve Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings bicuspid (mitral) valve Figure 11. 2 a

Internal Heart Anatomy Valves separate chambers and arteries pulmonary semilunar valve tricuspid valve Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings aortic semilunar valve bicuspid (mitral) valve Figure 11. 2 a

Video Clip of Cardiac Cycle • Cardiac Cycle

Video Clip of Heart Action • NOVA: The Universe Within (Mike Powellmuscular and cardiovascular systems)