Study the given passage.
X, Y and Z are different parts of the brain. X controls muscular activities, Y controls learning ability and memory and Z controls activities such as breathing, heartbeat and blood pressure. Identify X, Y and Z and select the correct statement regarding them.
AX is the upper part of brain that also controls our sense organs.
BY is located below X towards back of the brain.
CX is also called brain stem and it works even when we are asleep.
DZ connects the brain to spinal cord whereas Y is the largest part of the brain.