(B) In the earthworm, there are $4$ pairs of large, thick, muscular, and rhythmically contractile hearts.These hearts are located in segments $7, 9, 1

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(B) In the earthworm, there are $4$ pairs of large, thick, muscular, and rhythmically contractile hearts.These hearts are located in segments $7, 9, 12,$ and $13$.

Class 11 Biology Structural Organisation In Animals Anatomy of Earthworm

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Earthworm possesses how many pairs of hearts?

AIPMT 1991 All AIPMT

A
$6$ pairs
B
$4$ pairs
C
$2$ pairs
D
$1$ pair

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Structural Organisation In Animals

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Anatomy of Earthworm

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Earthworm possesses how many pairs of hearts?

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