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What are gill rakers?

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What are gill rakers?

Gill rakers are one or a series of projections that extend over the gills to prevent food particles from entering the respiratory system.

All About Sharks: A Complete Guide to the World's Most Misunderstood Predator by Blaise Jones
All About Sharks: A Complete Guide to the World’s Most Misunderstood Predator by Blaise Jones

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