What part of the nervous system controls the involuntary movements of your organs?

The brain stem, which consists of the medulla (an enlarged portion of the upper spinal cord), pons and midbrain (lower animals have only a medulla). The brain stem controls the reflexes and automatic functions (heart rate, blood pressure), limb movements and visceral functions (digestion, urination).

answer; (b) i believe its metabolic rate of the patient; plz check first

i-i-i-i-i-i don't k-k-k-k-know.