Biology, asked by Vallykedia2454, 1 year ago

Comparative anatomy of heart in vertebrates

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Answered by saniakashish

comparative Anatomy of vertebrate Hearts...... ... Fish have a simple two chambered heart which, is in essense ,just a thickening of a section of the circulatory system ,and the blood flows in a singl circuit from heart to gills to body and back to the heart .

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