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i) Open
a) transports fluid conveyed in general body cavity, no blood vessels
b) Fluid flow under low pressure hence slow
c) Fluid is in direct contact with tissues
ii) Closed
a) Transport fluid conveyed in blood vessels, has blood vessels
b) Blood flows under high pressure hence faster
c) Blood is not in direct contact with tissues
johnmulu answered the question on May 3, 2017 at 09:39
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