I think the crayfish is most like humans because it has many internal organs that we have. Some examples are a heart, brain, esophagus, stomach, intestine, anus, and ovary. For their digestive system, they have a digestive gland that acts like our human liver. Also their chelipeds act like our hands because they use it to grab things like us and their walking legs are like our legs because they use it to move.
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