What are the brain the spinal cord and nerves made up of?

What cells are the brain and spinal cord made up of?

The Architecture of the Neuron

The central nervous system (which includes the brain and spinal cord) is made up of two basic types of cells: neurons (1) and glia (4) & (6). Glia outnumber neurons in some parts of the brain, but neurons are the key players in the brain. Neurons are information messengers.

What are the brain and spinal cord organs of?

Together, the brain and spinal cord form the central nervous system. This complex system is part of everything we do.

Do brain cells grow back?

Until recently, it was believed that growing new brain cells was impossible once you reached adulthood. But it’s now known that the brain constantly regenerates its supply of brain cells.

What is the major function of the spinal cord?

The spinal cord is a column of nerves that connects your brain with the rest of your body, allowing you to control your movements. Without a spinal cord, you could not move any part of your body, and your organs could not function.

What is the main nerve in your body?

sciatic nerve, largest and thickest nerve of the human body that is the principal continuation of all the roots of the sacral plexus.

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Which bones protect the brain?

Cranium. The eight bones that protect the brain are called the cranium. The front bone forms the forehead. Two parietal bones form the upper sides of the skull, while two temporal bones form the lower sides.

What is the difference between the brain and spinal cord?

Answer. Spinal cord and brain are the Central Nervous System (CNS) of the body. The brain is the centre of the information and the spinal cord is the pathway to send the signal from the brain to different parts of the body and from the body to the brain.

What is the biggest part of the brain?

The forebrain is the largest and most highly developed part of the human brain: it consists primarily of the cerebrum (2) and the structures hidden beneath it (see “The Inner Brain”). When people see pictures of the brain it is usually the cerebrum that they notice.