As Hormonas (E23)

Peter and his friend Jumbo are playing tennis. The Master is observing the match from his monitor in the hypothalamus and is giving some instructions. Especially the hormones are sent on their way over and over again with the responsibility of adapting the breathing, the heartbeat and glucose resources to the respective situation. Globus explains to Hemo and Globine the functions of those little runabouts that cross their way every once in a while. (iTunes)