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
Imminent danger. have a nice day
All t cells originate from haematopoietic stem cells in the bone marrow
Yogurt
yogurt contains mostly carbs.