Cardiac 1notes

Cardiac 1notes - 6:15:00 PM Cardiac 1 Sequence of...

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04/11/2007 18:15:00 Cardiac 1 Sequence of Contractions   Muscles and the Heart Pericardium – thin layer of pericardial fluid in the pericardium lubricates the  external surface of the heart as it beats within the sac – if the fluid decreases  the heart rubbing will cause friction and create a sound – friction rub. <3 muscles – myocardium covered by thing outer and inner layers of  epithelium and connective tissue ventricles – thick walled atria thin walled aorta – carries blood way from heart to the body pulmonary trunk  - carries blood away from heart to lungs venae cavae – return blood from the body pulmonary veins – return blood from the lungs coronary arteries/veins – supply blood to the heart Atria contract then ventricles contract even though they are completely  separate(L/R) Ventricles contract from the bottom up because the exit lies on the top
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This note was uploaded on 04/09/2008 for the course BIOL 80 taught by Professor Stein during the Spring '08 term at Brown.

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Cardiac 1notes - 6:15:00 PM Cardiac 1 Sequence of...

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