I believe it is Nerve Cells
Correct me if I'm wrong.
A watershed describes an area of land that contains a common set of streams and rivers that all drain into a single larger body of water, so stagnant water in a swamp
Answer:
Pons.
Explanation:
Inside of our brainstem, there is a structure which is called the pons, which is present besides the medulla oblongata. The pons is a significant structure in the upper part of our brainstem. It controls breathing, communication between different parts of the brain, and as well as sensations such as hearing, taste, and balance.
Pons is that part of the brainstem which carries one-way communications that advise the cerebellum of voluntary motor activities initiated by the motor cortex.