MEDICAL PHYSIOLOGY

Detailed explanation-1: -The cerebrum makes up 85% of the brain’s weight, and the brain makes up about 2% of a human’s body weight. The texture of the brain is like a firm jelly.

Detailed explanation-2: -The adult human brain is estimated to contain 86±8 billion neurons, with a roughly equal number (85±10 billion) of non-neuronal cells. Out of these neurons, 16 billion (19%) are located in the cerebral cortex, and 69 billion (80%) are in the cerebellum.

Detailed explanation-3: -The biggest part of the brain is the cerebrum, which makes up 85% of the brain’s weight. The cerebrum is the thinking part of the brain and it controls your voluntary muscles. 2. Your brain has two hemispheres – left for analytical thoughts and right for creative thoughts.

Detailed explanation-4: -The cerebrum (or forebrain) makes up 75% of the brain by volume and 85% by weight. About 75% of all the brain’s neurons are located in the cerebral cortex, mainly in the grey matter.

Detailed explanation-5: -Remarkably, the human cerebral cortex, which represents 82% of brain mass, holds only 19% of all neurons in the human brain – a fraction that is similar to the fraction that we observed in several other primates, rodents, and even insectivores (Figure 1).