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Difference Between Left Ventricle and Right Ventricle

Left Ventricle vs Right Ventricle

The heart has several parts in it. This would include the left and right atrium and the left and right ventricle. Both of the left and right ventricles have a particular difference when it comes to their functions.

The ventricles are the two lower chambers of the heart. These ventricles are divided into two parts: the left ventricle and the right ventricle. The left ventricle and the right ventricle pump out blood from the heart going to the arteries to supply blood to the different parts of the body. Although both the left and the right ventricles pump out blood out from the heart, there is actually a difference in the destination of the blood as at gets pumped out of the heart. The left ventricle is responsible for pumping out blood through most vessels in the body system, more particularly in the highly vascular hollow organs. This would include the organs, such as: the liver, kidneys, and the stomach. Meanwhile, it is in the pulmonary artery that the blood from the right ventricle flows.

There is also a difference between the effort exerted by the left and right ventricles. More obviously, the left ventricle needs and exerts more pressure than the right ventricle because it is responsible for delivering blood to most parts of the body that need oxygenated blood in order to function. The right ventricle, on the other hand, only does a little effort since it only delivers deoxygenated blood. Moreover, deoxygenated blood is not very necessary for the proper functions of the organs. That is why a less amount of this blood is pumped thus rendering the right ventricle with less exertion.

When it comes to the structure, there is also a big difference, most particularly, in the width of the myocardium. The myocardium (the thick, middle layer of the heart that contracts as the organ beats) of the left ventricle is actually thicker than that of the right ventricle as the person reaches his teenage to adult years. The reason for that is as aforementioned; the left ventricle would be exerting more effort than the right ventricle. The myocardium would then prevent the left ventricle from bursting as it pumps blood rapidly to all the organs in the body.

There is a difference in the length of the left and right ventricle as well. The length of the right ventricle tends to be much shorter than the left ventricle. This is because the path of the blood in the left ventricle should be longer to regulate the amount of blood being pumped out to the organs. These ventricles also differ from the blood that they receive. The left ventricle receives oxygenated (oxygen-rich) blood and pumps it out to most of the systems in the body while the right ventricle receives deoxygenated (oxygen-poor) blood from the right atrium.


1.There is a difference in the destination of the blood pumped by the left and right ventricles.

2.There is a difference in the effort exerted between the left and right ventricles.

3.There is a difference in structure particularly in the thickness and length of the left and right ventricles.

4.There is a difference in the blood pumped by the left and right ventricles.

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  1. Despite all your information you aren’t capable to answer my question, asked in LA VOCE di SS., http://sergiostagnaro.wordpress.com/2014/04/08/perche-linfarto-isolato-del-ventricolo-destro-e-raro-non-superando-il-3-dei-casi/ Why right ventricle is rarely involved by myocardial infarction!

  2. But my question is what’s the structure that is not found in right ventricle which is found in left ventricle. Can you answer please ?

  3. So much text… It could be all said in 4-8 sentences

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