What are the responsiblities of the region of the brain highlighted below

"regulating important involuntary bodily functions such as blood pressure, heart rate, breathing and swallowing".

Explanation:

The area highlighted in this example is the posterior part of the brain, called the brainstem. The brainstem is comprised of three important parts, the medulla, the pons and the midbrain. The basic functions of this brain area include breathing, heart rate and sleeping.

the right answer is it connects amino acids