Why can reflex action be affected if a part of the spinal cord is injured?
Answer and explanation
Correct answer: Because spinal cord works as a quick control centre in reflex arc
In many reflex actions, the spinal cord acts as a rapid integration and coordination centre. A sensory impulse enters through a sensory neuron, is processed through the reflex pathway, and a motor impulse is sent quickly to the effector, often before conscious brain processing is complete. Injury to the relevant spinal region can interrupt this communication and impair the reflex. Thus A is correct; B, C and D assign plant or endocrine functions to the spinal cord.
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What is the correct answer to this question?
Because spinal cord works as a quick control centre in reflex arc
Why is this the correct answer?
In many reflex actions, the spinal cord acts as a rapid integration and coordination centre. A sensory impulse enters through a sensory neuron, is processed through the reflex pathway, and a motor impulse is sent quickly to the effector, often before conscious brain processing is complete. Injury to the relevant spinal region can interrupt this communication and impair the reflex. Thus A is correct; B, C and D assign plant or endocrine functions to the spinal cord.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Control and Coordination. Topic: Reflex action.
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