The lower chamber of the heart Ventricle.
What does the heart ventricle do?
The ventricle is a muscular chamber that pumps blood out of the heart and into the circulatory system. Ventricles occur among some invertebrates. Among vertebrates, fishes and amphibians generally have a single ventricle, while reptiles, birds, and mammals have two.
What happens if the left ventricle fails?
When the left ventricle fails, increased fluid pressure is, in effect, transferred back through the lungs, ultimately damaging the heart's right side.
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