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Science

Reflex action

In Class 10 Science, the topic Reflex Action explains how the body responds rapidly and automatically to a stimulus, often before the brain can process it fully. Students learn the pathway of a reflex arc: receptors detect a change, sensory neurons carry the impulse to the spinal cord, relay neurons connect it to motor neurons, and effectors such as muscles produce the response. Examples like quickly withdrawing a hand from a hot object show how this protective mechanism works, while the brain later receives information about the action.

Easy · Level 1 · 8 questions

TOPIC PRACTICE

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  1. Spinal cord
  2. Heart
  3. Liver
  4. Stomach
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  1. Reflex action
  2. Voluntary action
  3. Growth movement
  4. Hormonal action
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  1. Spinal cord
  2. Heart
  3. Lung
  4. Stomach
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  1. Reflex arc
  2. Neuron
  3. Hormonal path
  4. Blood path
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  1. Digestion
  2. Reflex action
  3. Respiration
  4. Growth
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  1. Detecting taste
  2. Giving quick response
  3. Digesting food
  4. Filtering blood
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  1. In escaping danger quickly
  2. In growing slowly
  3. In storing food
  4. In sleeping
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  1. It produces a quick response to a harmful stimulus
  2. It forces the body to sleep
  3. It makes food poisonous
  4. It cuts roots

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