EVERYDAY SCIENCE

Detailed explanation-1: -The central nervous system (CNS) is made up of the brain and spinal cord. It is one of 2 parts of the nervous system. The other part is the peripheral nervous system, which consists of nerves that connect the brain and spinal cord to the rest of the body. The central nervous system is the body’s processing centre.

Detailed explanation-2: -The central nervous system is made up of the brain and spinal cord.

Detailed explanation-3: -The brain and spinal cord are surrounded by a clear fluid called cerebrospinal fluid (CSF). It supports and protects the brain and the spinal cord. Ventricles are spaces inside the brain filled with CSF. They connect with the space in the centre of the spinal cord and the brain membranes (meninges).

Detailed explanation-4: -The spinal cord is an extension of the central nervous system (CNS), which consists of the brain and spinal cord. The spinal cord begins at the bottom of the brain stem (at the area called the medulla oblongata) and ends in the lower back, as it tapers to form a cone called the conus medullaris.

Detailed explanation-5: -Grey and white matter In the brain, grey matter is mainly found in the outer layers, while in the spinal cord it forms the core ‘butterfly’ shape. White matter refers to the areas of the CNS which host the majority of axons, the long cords that extend from neurons.