Question

why is fish heart called a Venus heart ​

Answer 1

Answer:

Fish's heart is called as 'venous heart' because heart receives blood from veins and send it to the gills for oxygenation.

Explanation:

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Answer 2

Answer:

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• Fish heart is called venous heart as only receive blood from Veins and pump it directly to the gills for oxygenation.
• In fish heart blood passes only once in one complete circuit.
• This type of blood circulation known as single circulation and heart is known as single circuit heart.

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