Question

Medulla has many fold and grooves so
that it can fit into the skull

Answer 1

Explanation:

in humans ,the lobes of brain are divided into bumps and grooves these are known as gyri and sulci.

the coryex ,the outer surface of the brain what's colloquially referred to as graynatter expand and subsequently folds as our brain develop in the womb , a research fellow in the department of psychiatry.