The diagram shows a motor neurone - Edexcel - GCSE Biology - Question 6 - 2017 - Paper 1
Question 6
The diagram shows a motor neurone.
a) Draw an arrow in the box to show the direction of travel of the electrical impulse in this motor neurone.
(ii) Which letter l... show full transcript
Worked Solution & Example Answer:The diagram shows a motor neurone - Edexcel - GCSE Biology - Question 6 - 2017 - Paper 1
Step 1
Draw an arrow in the box to show the direction of travel of the electrical impulse in this motor neurone.
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Answer
The arrow should point from the dendrites (point A) towards the cell body (point B), indicating the direction of the electrical impulse.
Step 2
Which letter labels the dendron in this motor neurone?
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Answer
The correct answer is D, as the dendron is the extended part that receives impulses.
Step 3
Name the two parts of the body that make up the central nervous system (CNS).
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Answer
The two parts are the brain and the spinal cord.
Step 4
Complete the sentence by putting a cross (X) in the box next to your answer.
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Answer
Put a cross (X) next to A, as sensory neurones carry electrical impulses from receptor cells to the CNS.
