I don't think you mean above the medula oblongata, i think you mean something else because the connection between the two hemispheres is connected by the Corpus Callosum which is above of the thalamus.
The only answer that i can make sense of what you've wrote is A Cerebellum but i don't think you are correct forming your question. Where did you find the question
Arrector pili muscle is the one with hair follicles that has a smooth muscle which is in an unconscious control rather than conscious control. This pull up the follicle causing the goose bumps then. Hope this is the right answer and will be of big help then.
A big hug. For girls and women. And for boys and men, a peg with a ball.
The region of tasks which an individual may perform with the help of others but is unable to perform independently is known as the zone of proximal development (ZPD). This zone was described by Lev Vygotsky and is found between the tasks that an individual can perform and the tasks that an individual can not perform.
