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8 (a) Motor neurones are found in the nervous system - Edexcel - GCSE Biology - Question 8 - 2021 - Paper 1

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8 (a) Motor neurones are found in the nervous system. Figure 16 shows a motor neurone. (i) Draw an arrow on Figure 16 to show the direction of travel of an electric... show full transcript

Worked Solution & Example Answer:8 (a) Motor neurones are found in the nervous system - Edexcel - GCSE Biology - Question 8 - 2021 - Paper 1

Step 1

Draw an arrow on Figure 16 to show the direction of travel of an electrical impulse along the motor neurone.

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Answer

An arrow should be drawn from left to right on Figure 16, indicating that the electrical impulse travels in that direction along the motor neurone.

Step 2

Name both structure K and structure L.

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Answer

K - myelin (sheath)

L - axon

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