What is the largest part of the brain known as?

The largest part of the brain is the cerebrum, which is responsible for higher brain functions such as thought, action, and emotion. It comprises two hemispheres, the left and right, and is involved in a wide range of sensory and motor functions. The cerebrum is divided into lobes, each associated with different functions, such as movement, speech, problem-solving, and sensory processing. This structure plays a crucial role in cognitive abilities, including learning, memory, and reasoning.

The cerebellum, while important for coordination and balance, is significantly smaller than the cerebrum. The brainstem, which controls basic life functions such as breathing and heart rate, and the limbic system, which is involved in emotions and memory, are also important but do not compare in size to the cerebrum. Thus, recognizing the cerebrum as the largest part of the brain aligns with established anatomical knowledge.