Heart in Head
It seems like shrimp don’t have to choose between following their head or their heart—because their hearts are located right in their heads! The head and thorax of a shrimp are the hardest parts of its body, covered by a thick protective layer known as the exoskeleton. This tough exterior protects their heart and vital internal organs, and it's essential to their survival.
That’s not the only fascinating aspect of shrimp hearts. They feature three pairs of entrances that allow blood to flow in and out, circulating throughout their bodies. In contrast, the human heart consists of just two pairs of chamber. Crustacean bodies must manage the opening and closing of multiple valves to ensure proper oxygenation while underwater.
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