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Heart ventricles

Heart ventricle

The lower right and left chambers of the heart. The right pumps venous blood into the lungs and the left pumps oxygenated blood into the systemic arterial circulation.


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Heart chambers

Why the auricles are smaller in size than ventricles?

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by anamikariya
Sun Apr 29, 2012 10:22 am
 
Forum: General Discussion
Topic: Heart chambers
Replies: 0
Views: 645

The Heart

... node (AV) down the purkinje fibres in the centre of the heart, causing it to contract from the bottom upwards (so the ventricles can empty themselves before the atria contract to fill them up again). The SA node's ...

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by Babybel56
Sat Apr 23, 2011 8:26 pm
 
Forum: Human Biology
Topic: The Heart
Replies: 6
Views: 9886

Re: Please Help - The Heart

... you look fine. I'm surprised you didn't learn the name "Purkinje fibers" for the tissue that conducts the impulse the the bottom of the ventricles, but what's in a name, eh? ;) Anyway, the AV node is what "gathers" and slightly delays the impulse and conducts it to the Purkinje ...

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by mamoru
Mon Feb 22, 2010 1:29 am
 
Forum: General Discussion
Topic: Please Help - The Heart
Replies: 5
Views: 7571

Re: Please Help - The Heart

... fibers that conduct an electrical stimulus or impulse that enables the heart to contract in a coordinated fashion. atrioventricular node - is a ... The AV node is an area of specialized tissue between the atria and the ventricles of the heart, specifically in the posteroinferior region of the ...

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by PleaseHelp
Mon Feb 22, 2010 1:15 am
 
Forum: General Discussion
Topic: Please Help - The Heart
Replies: 5
Views: 7571

Biology Test Questions

... following measurements were made: 1. The total blood output from both ventricles was 10.08 litres per min 2. The aorta leaving the left ventricle ... 5. The cross sectional area of the veins returning blood to the heart is greater than the cross sectional area of the arteries leaving the ...

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by loopyloo91
Sun Nov 01, 2009 10:00 pm
 
Forum: Human Biology
Topic: Biology Test Questions
Replies: 7
Views: 7141
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