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How many chambers are present in the heart of a cockroach?

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in Biology – Class 11 by (272k points)
How many chambers are present in the heart of a cockroach?

(a) Twelve

(b) Ten

(c) Sixteen

(d) Thirteen

I got this question in an interview for internship.

This intriguing question originated from Animals topic in chapter Structural Organisations in Animals of Biology – Class 11

1 Answer

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Right choice is (d) Thirteen

To explain I would say: The heart of cockroach consists of an elongated muscular tube lying along the mid-dorsal line of thorax and abdomen. It is differentiated into thirteen funnel – shaped chambers with ostia on either side.

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