Even though the human brain is larger than the sheep brain, the sheep brain has more gyri and sulci than the human brain.

Gyri and Sulci

The ridges (gyri) and grooves (sulci) respectively on the surface of the brain, which increase its surface area and separate different brain areas.

Human Brain

The central organ of the human nervous system, responsible for processing sensory information, regulating bodily functions, and enabling thought, memory, and emotion.

Sheep Brain

Often used in educational settings, it is a model for studying the anatomy of the mammalian brain due to its similarity to the human brain but larger size for easy handling.