Which of the following is not the function of the brain?

Our brain controls voluntary movements, the balance of the body, the functioning of vital involuntary organs, thermoregulation, hunger, thirst, circadian rhythms of our body, activities of several endocrine glands, etc. It is a complex organ that controls many physiological and behavioral processes in the body.

It does not generate a heartbeat; instead, it regulates and controls the heartbeat through the autonomic nervous system.