Single Choice

Number of chambers in the heart of cockroach is

A5
B9
C13
Correct Answer
D16

Solution

Cockroach has a 13 chambered tubular heart. Oxygenated blood enters each chamber through a pair of a slit like openings called ostia. The first chamber opens into aorta which further opens into head sinuses.

SIMILAR QUESTIONS

Animal Physiology: Circulation and Excretion

Describe the evolutionary change in the pattern of heart among the vertebrates.

Animal Physiology: Circulation and Excretion

Heart of cockroach is

Animal Physiology: Circulation and Excretion

Single heart circuit occurs in:

Animal Physiology: Circulation and Excretion

Heart of frog differs from that of rabbit by presence of

Animal Physiology: Circulation and Excretion

Heart of fishes is

Animal Physiology: Circulation and Excretion

Heart of fish receive

Animal Physiology: Circulation and Excretion

Right atrium of rabbit receives

Animal Physiology: Circulation and Excretion

In rabbit, oxygenated blood flows from

Animal Physiology: Circulation and Excretion

Heart of elephant is

Animal Physiology: Circulation and Excretion

Which animal has most mixing of oxygenated and deoxygenated blood in the ventricles?

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