# Brain & nerves

The nervous system is the brain, spinal cord, and peripheral nerves that carry signals between the body and the central nervous system.

## About brain & nerves

Gray's Anatomy (1918) describes the brain in three major parts — cerebrum, cerebellum, and brainstem — and enumerates the twelve pairs of cranial nerves and the thirty-one pairs of spinal nerves.

## Questions

### What is the main part of the brain called?

The largest part of the brain.

### What is the cerebellum?

A cauliflower-shaped part of the brain.

### What is the brainstem?

The stalk of the brain that connects the cerebrum and cerebellum to the spinal cord.

### What is the medulla oblongata?

The lowest part of the brainstem.

### What is the pons?

A rounded bulge on the front of the brainstem.

## Sources

- [Gray's Anatomy of the Human Body (1918)](https://www.bartleby.com/107/)

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