+A **ventricle** is a fundamental [chamber](/wiki/chamber) within an organ. In the [heart](/wiki/heart), ventricles contract to propel blood throughout the body; in the [brain](/wiki/brain), they house and circulate vital fluid.
+## See also
+- [Atrium](/wiki/atrium)
+- [Valve](/wiki/valve)
+- [Blood](/wiki/blood)
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