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6 Cards in this Set
- Front
- Back
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Circulatory system has the blood closed at all times. Blood is pumped by the heart through vessels, and does not normally fill body cavaties.
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Closed Circulatory System
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Circulatory system pumps blood into body cavaties, where tissues are surrounded by blood. Common in mollusks and arthropods.
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Open Circulatory System
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The three main body parts of an arthropod.
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Head, Thorax, and Abdomen
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The relationship between a parasite and a host.
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Parasitism
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Four characteristics of arthropods.
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-Three main body parts
-Six jointed legs -Two antennae -Exoskeleton |
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Three functions of neurons.
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-Send signals from the nervous system to the rest of the body
-Transmit information to the nervous system from the senses -Connect sensory and motor neurons |
