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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 through a network of blood 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,or spaces in the animals body
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Three main body parts of an arthropod
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The three main body parts of an arthropod are a head,thorax,and abdomen
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Relationship between parasites & host
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A parasite is an organism that feeds on the body of another living organism that is called the host
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4 characteristics if arthropods
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1 They have three main body parts.
2 jointed limbs 3 external skeleton 4 well developed nervous system |
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3 functions of a neuron
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1 sense environment
2 carries messages throughout the body 3 form ganglion |
