CBSE Class 10 Science 2020 · Paper 31/1/3 · Question 18(a)
Name the parts (a) to (e) in the following diagram.
What is the term given to the sequence of events occurring in the diagram ?
Answer
The parts are (a) receptor, (b) sensory neuron, (c) spinal cord, (d) relay neuron and (e) motor neuron; the sequence is a reflex arc.
(a) Receptor (sense organ in the skin of the fingers); (b) Sensory neuron; (c) Spinal cord; (d) Relay neuron; (e) Motor neuron.
The sequence of events shown is a reflex arc, the pathway of a reflex action.
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