The brain controls the actions of the body and allows us to think, learn, and remember. The brain has three main sections: the cerebral hemispheres, cerebellum, and brain stem. There are left and right cerebral hemispheres. The cerebral hemispheres are divided into sections called lobes. Each section of the brain has special jobs to do and sections of the brain also work together. The left cerebral hemisphere controls the right side of the body and is usually responsible for speech. The right cerebral hemisphere controls the left side of the body and is usually responsible for creative thinking.
The brain controls many important functions. It needs good protection and oxygen. The brain is protected and receives oxygen in the following ways:
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