Which part of the brain is called respiratory rhythm centre?
a)	Cerebellum region	b)	Brain stem region	c)	Medulla region	d)	Temporal region

(c)

Medulla region.

Neural system in humans regulates and modulates the respiratory rhythm.

Respiratory centre is located in the medulla oblongata and pons varoli. These centre regulates the rate and the depth of breathing by controlling the contraction of diaphragm and other respiratory muscles

Medulla oblongata contains inspiratory rhythm centre in the dorsal portion of the respiratory centre or in ventral portion of the brain