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प्रश्न
A reflex arc in man is best described as movement of stimuli from:
पर्याय
Receptor cell, sensory neuron, relaying neuron, effector muscles
Receptor cell, efferent nerve, relaying neuron, muscles of the body
Receptor cell, spinal cord, motor neuron, relaying neuron
Receptor cell, synapse, motor neuron, relaying neuron
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उत्तर
Receptor cell, sensory neuron, relaying neuron, effector muscles
Explanation:
The exact path of a reflex action is:
Receptor (receives stimulus) → Sensory nerve (carries signal) → Relaying neuron (inside spinal cord) → Effector muscles (responds)
APPEARS IN
संबंधित प्रश्न
The diagram given below shows the internal structure of a spinal cord depicting a phenomena. Study the diagram and answer the questions:
- Name the phenomenon that is depicted in the diagram. Define the phenomenon.
- Give the technical term for the point of contact between the two nerve cells.
- Name the parts numbered 1, 2 and 3.
- How does the arrangement of neurons in the spinal cord differ from that of the brain?
- Mention two ways by which the spinal cord is protected in our body.
Which of the following statements is correct about receptors?
Which of the following statements are true?
(i) sudden action in response to something in the environment is called reflex action
(ii) sensory neurons carry electrical signals from spinal cord to muscles in a reflex action
(iii) motor neurons carry signals from receptors to spinal cord in a reflex action
(iv) the pathway of transmitting signals from a receptor to a muscle is a reflex action
Put a tick mark (✓) against the correct alternative in the following statement:
The smell of good food causes watering of your mouth. It is a
With the help of suitable example, describe reflex action.
Define voluntary and reflex actions. Give examples of each.
State whether the following is simple reflex, conditioned reflex or neither of the two:
Knitting without looking: …………………..
In reflex action, the reflex arc is formed by ______
Give an example for conditioned reflexes.
Categorise the following under stimulus and response.
Withdrawal of hand on touching a hot plate
