Voluntary muscle contractions are initiated in:

Brain

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Spinal cord

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Heart

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None of the above

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Solution

The correct option is A
Brain

Voluntary muscle contractions are initiated in the brain, while involuntary reflexes are initiated in the spinal cord.

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(d) Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle

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Voluntary muscle contractions are initiated in:

The correct option is A Brain Voluntary muscle contractions are initiated in the brain, while involuntary reflexes are initiated in the spinal cord.

The correct option is A
Brain

Voluntary muscle contractions are initiated in the brain, while involuntary reflexes are initiated in the spinal cord.