Biology, asked by Rock6356, 11 months ago

Structure of heart in fish ,frog, snake, crocodile and birds

Answers

Answered by kajalsalve1000
4

Answer:

Fish have a single circuit for blood flow and a two-chambered heart that has only a single atrium and a single ventricle (figure a). ... The heart is three chambered, but the ventricles are partially separated so some mixing of oxygenated and deoxygenated blood occurs, except in crocodilians andbirds.

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