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SAI International School
Std -X, Subject- BIOLOGY
Chapter- Control and Coordination
Subtopic- Structure and function of different parts of human Brain,
protection of brain
Module- 14
Lesson Notes

 The Central Nervous System (CNS) is the most important unit in an organism as
it is the ‘center’ or the hub which instigates information and commands and
coordinates and also influences all the other actives within a body.
 Thus it is often called as the central processing unit of the body.
 The Central Nervous System mainly comprises of two parts: The brain and Spinal
cord.

Parts of Human Brain

Following are the major parts of the human brain:
1. FOREBRAIN – Largest part of the brain
It is the anterior part of the brain. The fore brain parts include:
 Cerebrum