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Blood Vascular System of Cockroach

The heart of ...

Question

The heart of cockroach lies along mid dorsal line of

A

head and thorax

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B

thorax and abdomen

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C

head and abdomen

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D

head, thorax and abdomen

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Solution

The correct option is B thorax and abdomen
The heart of cockroach consists of elongated muscular tube lying along mid dorsal line of thorax and abdomen. It is differentiated into funnel shaped chambers with ostia on either side. Blood from sinuses enter heart through ostia and is pumped anteriorly to sinuses again.

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Blood Vascular System of Cockroach

Standard XII Biology

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