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6 Cards in this Set
- Front
- Back
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closed circulatory system
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A heart pumps blood thruogh a network ofblood vessels that form a closed loop
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Open circulatory system
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A simple heart pumps blood through blood vessels that empty into sinuses
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3 main body parts of an arthopod
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head thorax abdomen
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relationshp between parasites & host
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parasite shares the same body, parasites live of of the hosts body
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4 characteristics of an arthopod
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a segmented body with specialized parts, jointed limbs, an exoskeloten, and a well developed nervous system
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3 functions of nuerons
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allow animals to sense their enviorment , carry messages around the bodyto control the animals actions, and form ganglion
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