Identify the functions of medulla oblongata.

(A) Midbrain, pons varoli and medulla oblongata are together called the brain stem
(B) Paracoels are connected to the diacoel through the iter
(C)The regulation centres of heartbeat, respiration, swallowing, cough, etc. are located in the medulla oblongata
(D) Cerebellum is also called the gyroscope of the body