Question

Explain human brain.

Answer 1

The human brain is the command center for the human nervous system. It receives input from the sensory organs and sends output to the muscles. The human brainhas the same basic structure as other mammal brains, but is larger in relation to body size than any other brains.

Answer 2

Answer :-

The Human brain :-

• Like other vertebrates, the human brain is situated inside the cranium.

• The Human brain is composed of more than 100 billion neurons and 10 to 15 trillion neurolgia that support and nourish the neurons.

• The brain of an averagely adult human being weighs about 1.4 kg.

• The brain forms about 2% of the total body weight of an averagely adult human being.

• The brain forms about 98% of the total weight of the Central Nervous System (CNS) in an averagely adult human being.

• The brain reaches its maximum size at the age of 6 years.

• The brain receives about 15% to 17% of the cardiac output.

• The brain receives about 20% of the total amount of oxygen consumed by the body.

• The Human brain can be divided into Forebrain, Midbrain and Hindbrain.