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Mammalian Heart Structure and Function

The heart and its functions.
by

Desmond Sin

on 23 April 2010

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Transcript of Mammalian Heart Structure and Function

Mammalian Heart Structure and Function
structure Right Chamber (contains deoxygenated blood)
Aorta Left Ventricles Right ventricles Left atrium Right Atrium Left chamber (contains oxyenated blood) Tricuspid Valve Bicuspid valve Superior and inferior vena cava Has more muscular wall than right ventricle as it has to use more strength to pump oxygenated blood to all parts of body Receive oxygenated blood from pulmonary veins Thick artery which oxgenated blood leaves form left ventricles. Strong to withstand high pressure Separates left ventricle and left atrium.
Opens to allow blood flow between them Separates right atrium and right ventricle Receives deoxygenated blood from superior and inferioir vena cava Weaker than left ventricle as it only needs to pump blood to pulmonary circulation Collect and return deoxygenated blood to and fro the right atrium
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