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The Human Heart and Blood Flow

The Human Heart and Blood Flow. The Human Heart. http://www.nlm.nih.gov/medlineplus/ency/presentations/100147_1.htm. Located in the Thoracic Cavity, between the two lungs and slightly to the left About the size of a clenched fist. Weighs around a ½ pound.

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The Human Heart and Blood Flow

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  1. The Human Heart and Blood Flow

  2. The Human Heart http://www.nlm.nih.gov/medlineplus/ency/presentations/100147_1.htm Located in the Thoracic Cavity, between the two lungs and slightly to the left About the size of a clenched fist. Weighs around a ½ pound

  3. Pericardium:Protecting the Heart http://www.nlm.nih.gov/medlineplus/ency/imagepages/18081.htm • Pericardium – protective membranearound the heart • Made up of 3 layers: • Epicardium – outermost layer, reduces friction • Myocardium – thick layer, contains cardiac muscle • Endocardium – innermost layer, contact with blood

  4. Heart Pumping MRI of a Human Heart Heart pumps blood through the body through contraction. What do valves do for our heart? MRI at ChariteMitte, Berlin http://commons.wikimedia.org/wiki/ File:Cardiac_mri_ani_sagittal_bionerd.gif http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0004820/

  5. Heart Valves Cross section of the heart, focusing on the Aortic Valve Tricuspid Valve 2006 Patrick J. Lynch, medical illustrator http://commons.wikimedia.org/wiki/File:Heart_tee_tricuspid_valve.jpg One-way valves are vital to move blood in the correct direction 2006 Patrick J. Lynch, medical illustrator http://commons.wikimedia.org/wiki/File:Heart_bicuspid_aortic_valve.svg

  6. The Heart and the Path of Blood Exterior View of the Heart http://www.nhlbi.nih.gov/health//dci/Diseases/hhw/hhw_all.html

  7. The Heart and the Path of Blood Interior View of the Heart, with the path of the blood http://www.nhlbi.nih.gov/health//dci/Diseases/hhw/hhw_all.html

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