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Question

Number of chambers in heart of Cockroach is

A
4
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B
10
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C
13
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D
15
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Solution

The correct option is C 13
In Cockroach, the heart lies mid dorsally. It is pulsatile. It consists of 13 segmentally arranged funnel shaped chambers. Except the last one, each chamber has a pair of small lateral apertures or ostia that open into pericardial sinus.
So, the correct answer is '13'.

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