Heart of frog differs from that of rabbit by presence of
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Heart of frog differs that of rabbit by presence of: [A]. Mitral valve, [B]. 4 chambers. [C]. Two aortae, [D]. Sinus venosus. Answer: Option D.
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Sinus venosus and conus arteriosus are not found in rabbit but they are present in the frog. In the rabbit, sinus venosus is formed in the embryo but later it becomes a part of the wall of the right auricle. ... The pure blood brought by the pulmonary veins from the lungs directly come into left auricle.
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