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InterviewSolution
| 1. |
In fishes the heart will have venus blood,atrial blood or both . explained this. |
| Answer» The fish heart is called the venous heart because it only receives blood from the veins and pumps it for oxygenation straight to the gills. In the fish heart, blood travels through a single complete circuit once only. Blood flows into the atrium after passing through the fish leaving it poorly oxygenated. | |