Which of the following encloses heart in cockroach?

Pericardial sinus

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Perivisceral sinus

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Perineural sinus

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None of the above

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Solution

The correct option is A Pericardial sinus
The body cavity (haemocoel) of cockroach is divided into three sinuses - pericardial sinus, perivisceral sinus and perineural sinus.

Pericardial sinus encloses heart. Perivisceral sinus encloses visceral organs. Perineural sinus encloses nerve cord.

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