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nervous

antenna

nervous

anntenule

skeletal

mandible

skeletal

uropod

skeletal

cheliped

skeletal

walking leg

skeletal

swimmeret

skeletal

telson

digestive

anus

digestive

stomach

digestive

intestine

digestive

digestive gland

excretory

green gland

circulatory

heart

respiratory

gills

nervous

brain

nervous

ventral nerve cord

reproductive

gonads

skeletal

carapace

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