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Fish heart has chambers....

Fish heart has ______ chambers.

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**Step-by-Step Text Solution:** 1. **Understanding the Question**: The question asks how many chambers are present in a fish's heart. 2. **Identifying the Heart Structure**: Fish have a specific structure for their heart. Unlike mammals, which have a more complex heart structure, fish have a simpler design. 3. **Counting the Chambers**: The fish's heart consists of two main chambers: - An **atrium** (or auricle) which receives blood. ...
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