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Describe the Circulatory System of a Crayfish

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Each dissection takes about 15 to 20 min in this activity designed for high-school-level students. The crustaceous crayfishs and squirming earthworms circulatory systems are the same as a humans. 2 Crayfish also have an open circulatory system which is also present in the Crayfish. . These fish have an extremely odd way of breathing. It is used in combination with the uropods for backwards escape swimming3. Crayfish are a type of fish that live in freshwater and are related to the lobster family a little smaller than lobsters however. They are also referred to as crawdads and crawfish. Its circulatory mechanism circulates blood between the heart and the rest of the body except for the lungs. No veins or arteries are present in the open circulatory system but instead blood like fluid is circulated through the blood vessels throughout the heart also in the hemolymph. Cephalic groove An indentation in the car...