xplain the significance of the thickness of the left ventricular wall. The major

debara74

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10 years ago

xplain the significance of the thickness of the left ventricular wall. The major

explain the significance of the thickness of the left ventricular wall.
The major coronary vessels are on the surface of the heart. What is the advantage of that location?
Since the SA node is at the top of the atrial mass, the atria contract from the top down. How does this increase the efficiency of atrial contraction? Do the ventricles have a similar arrangement? If so, how does it work?
What is the purpose of prolonged contraction of the myocardium?

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doseofmegan

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10 years ago

1. The user star on this site once said, "The thicker wall of the left ventricle allows it to contract forcefully with great pressure to pump the blood into the systemic circuit. The wall of the right ventricle is thinner so that a lower pressure is created to move the blood a relatively short distance to the lungs."

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bio_man

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10 years ago

Quote from: debara74 (10 years ago)

explain the significance of the thickness of the left ventricular wall.

Is this all one question? Make sure it's one to two questions maximum per post. For example, the above question has been answered already...

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https://biology-forums.com/index.php?topic=15644.0

Thanks for the effort, Megan.

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greeneyelady

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10 years ago

Since the SA node is at the top of the atrial mass, the atria contract from the top down. How does this increase the efficiency of atrial contraction? Do the ventricles have a similar arrangement? If so, how does it work?

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