Question

Respiratory rhythm centre is located in the

• A. cerebrum
• B. cerebellum
• C. spinal cord
• D. medulla oblongata

Answer 1

The correct option is D medulla oblongata

The respiratory rhythm centre is located in the medulla oblongata and the pneumotaxic centre which moderates the function of the respiratory rhythm centre is located in the pons.
The dorsal respiratory rhythm centre in the medulla is known as the inspiration centre and is mainly responsible for normal rhythm of respiration.
The ventral respiratory centre in the medulla (expiratory centre) is responsible for issuing signals to regulate the rhythm of both expiration and inspiration during physical activities that cause deep breathing.