Average size of human brain in CM

What is the average size of a

The brain is one of the most important organs because it controls so many of the body's functions. The brain makes up only 2% of the total body weight. Brain injury could result in permanent damage or even death. Therefore, it is very important for the brain to be protected.

The brain and spinal cord make up the central nervous system. The skull (cranium), made of bone, protects the brain. The three major sections of the brain are the forebrain, the midbrain, and the hindbrain. The forebrain includes the cerebrum, the largest part of the brain that takes up about two thirds of the brain. The cerebrum is divided into two hemispheres. It controls the interpretation of impulses from sense receptors, memory, learning, and emotions. The midbrain carries messages between the forebrain and hindbrain. The hindbrain is composed of the cerebellum and the medulla oblongata. The cerebellum controls all voluntary and some involuntary movements. It maintains balance and coordination. The medulla oblongata controls many involuntary functions such as breathing and heartbeat. If the medulla is destroyed, a person will die. The medulla is connected to the spinal cord, which connects the peripheral nervous system with the brain and controls reflexes (automatic responses).

Early humans are known as hominids. Australopithecus was the first human-like creature, that lived in Africa about 5 million years ago. Their brains were 350 to 450 cubic centimeters, the size of a gorilla. Homo habilis, which was more human-like, lived two million years ago and was the first to use stone tools. Their brain volume was about 700 cm3. The Neanderthals, which are more modern humans, are classified in the same species (Homo sapiens) as today's humans. However, living humans belong to a different subspecies, Homo sapiens sapiens. Although the Neanderthal brain was larger than that of humans today, it does not mean that the Neanderthals were more intelligent, because brain size is related to body size and the temperature of the environment.

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Q&A

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What is average size of the human brain?

An average adult brain volume of 1130 cubic centimetres for women and 1260 cc for men.

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What is the size of a average human brain?

The average human brain weighs about 1,300 to 1,400 grams.

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What is the average brain size of a human?

The average human brain weighs three pounds (1.36 kilograms). The average female brain capacity is 79.3 cubic inches, slightly smaller than the male brain of 88.5 cubic inches. The largest human brains may be twice those of average size, but size has no relevance to brain performance.

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