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Biology, 26.12.2019 08:31 alexmodersks3055

When a hot surface is touched, receptors in the hand send a signal to the nervous system. the nervous system then sends a signal to the muscles in the arm to contract and move the hand from the hot surface. which of these best describes this example?

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When a hot surface is touched, receptors in the hand send a signal to the nervous system. the nervou...

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