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Question

The impulse for voluntary muscles for forced breathing starts in

A
Cerebrum
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B
Vagus nerve
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C
Cerebellum
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D
Spinal cord
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Solution

The correct option is A Cerebrum
Respiratory developments are under the control of Medulla oblongata, which is the breathing focus. Indeed, breathing is controlled by pneumotoxic and apneustic focuses on pons Varolii and expiratory and inspiratory focuses on Medulla oblongata. The medullary respiratory focus is continually under direct synthetic control.
So, the correct option is 'Medulla oblongata and Pons'.

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