Which of the following statements are true of the DRG?I. It…
Which of the following statements are true of the DRG?I. It consists mainly of inspiratory neurons.II. It sends impulses to the phrenic and external intercostal motor nerves in the spinal cord.III. Is thought to provide the main stimulus for inspiration.IV. These neurons are involved in the Hering-Breuer and Head’s reflexes.