Name band of nerve fibres that joins two cerebral hemispheres in mammals.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question:** The question asks for the name of the band of nerve fibers that connects the two cerebral hemispheres in mammals.

2. **Identifying the Cerebral Hemispheres:** In mammals, the brain is divided into two halves, known as the left and right cerebral hemispheres. Each hemisphere is responsible for controlling different functions and sides of the body.

3. **Function of the Cerebral Hemispheres:** The left hemisphere generally controls the muscles on the right side of the body, while the right hemisphere controls the muscles on the left side. This lateralization of function is crucial for coordinated movement and processing.

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