Question

describe the neural and chemical control of respiratory system

Answer 1

Respiratory centers of the brain (medulla oblongata, Pons) sends nerve impulse to the respiratory muscles to control breathing frequency and TIDAL VOLUME of each breath

Answer 2

expiration (a passive process. i.e. Increases in rate and depth of breathing are detected by stretch receptors in the lungs. Respiratory centres of the brain (medulla oblongata and pons) send nerve impulses to the respiratory muscles to control breathing frequency (how often) and tidal volume of each breath.