Symmetry in Organisms+ Systems in Humans

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7 Terms

1
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asymmetry

coral

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radial symmetry

symmetry at many areas (circular); two mirror planes

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bilateral symmetry

only has two mirror sides on the sagittal plane (humans, planaria, earth worms)

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circulatory system

heart, blood, and blood vessels; transports stuff around (blood, nutrients, and WBC)

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Lymphatic system

lymph nodes, WBC and mostly the immune system (earth worms do not have it)

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nervous system

brain, spinal cord, nerves, nerve cord; regulates the body’s responses to internal + external environment + processes info

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digestive tract

mouth+ teeth—> pharynx (throat)—> esophagus—> stomach—> small intestine—> large intestine