Answers

2016-05-03T22:12:08+05:30
Transportation system only transports the waste product but excretory system discharges the waste products from the body.
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2016-05-04T07:08:19+05:30
The work transport system is to distribute the waste product. The harmful nitrogenous substance like urea etc. is excreted out of the body by excretory substance.
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