A closed circulatory system is one in which, unlike our bodies, the blood does not flow back to the heart. This is because it has been pumped out of the body by a pump such as a heart or gills. The water in these systems flows from one end of the body to another until it reaches its destination (usually an external environment). Closed circulatory systems are used by many different types of animals including fish and shrimp. There are two main types of closed circulatory systems: open-loop and closed-loop.: systemsulatory circ closed of types main two are There. shrimp and fish including animals of types different many by used are systemsulatory circ Closed). environment external anusually ( destination its reaches it until another to body the of end one from flows systems these in water The.ills g or heart a as such pump a by body the of out pumped been has it because is This. heart the to back flow not does blood the, bodies our unlike, which in one is systemulatory circ closedA . sharks as such fish of types some and birds, humans including mammals in found be can system of type This. again out then and heart the into back, body the of end one from flows blood the when is loop openAn- closed ” hence – environment the into back flow no is there means configuration The. organs respiratory as lungs replacing thereby; bodies their throughout circulation for bloodated oxygen out pumping forills g use loops closed, side left the on located is heart where, bodies our unlike:loop-osedCl . current the against moving or swimming by blood their pump only can they because systemulatory circ of type this have fish of kinds Some. destination its reaches it until another to body the of end one from blood pumps which, them through water force to) closeor (rict const that body its around bands muscle circular has loop open an with system a:Loop-Open . components basic same the share and animals aquatic in found are types these of Both
