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Single circulation : 1. In fishes the heart pumps out deoxygenated blood which is oxygenated by the gills and supplied to the body parts 2. From body parts deoxygenated blood is returned to the heart.


( A ) Both are incorrect
( B ) 1 is incorrect but 2 is correct
( C ) Both are correct
( D ) 1 is correct but 2 is incorrect

1 Answer

(C) is the right answer.

In fishes the heart pumps out deoxygenated blood which is oxygenated by the gills and supplied to the body parts from where deoxygenated blood is returned to the heart (single circulation).
answered Apr 3, 2014 by pady_1
 

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