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What is the principal role of blood glands in earthworm?

( A ) Produce Bloodcells and Haemoglobin
( B ) Produce White Blood Cells
( C ) Broduce Red Blood Cells
( D ) To aid digestion
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1 Answer

(A) is the right answer.

Blood glands in earthworms are present on the 4th, 5th and 6th segments and produce blood cells and haemoglobin which is dissolved in blood plasma.
answered Apr 4, 2014 by pady_1

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