<prompt> Which is the site of generation of respiratory rhythm?Botzinger complexPre-Botzinger complexDorsal respiratory group of neurons in medullaVentral respiratory group of neurons in medulla  <response>: Ans. B Pre-botzinger complexRef: Ganongy 25th ed. pg. 656Prebotzinger complex- located between nucleus ambiguous and lateral reticular nucleus on either side of medulla is the site of generation of respiratory rhythm. 