Backbone definition biology2/29/2024 ![]() It is divided into left and right hemispheres, linked by a band of nerve fibres in the centre of the brain called the corpus callosum.Įach hemisphere is divided into 4 lobes, or sections, which are all connected. It controls intelligence, memory, personality, emotion, speech, and ability to feel and move. ![]() The cerebrum is the largest part of the brain. These include the cerebrum, the cerebellum, the thalamus, the hypothalamus and the brainstem. The brain and spinal cord are protected from damage by a clear liquid called cerebrospinal fluid, 3 layers of membranes called the meninges, and the hard bones of the skull and backbone. ![]() They are coated in myelin, which is a fatty insulation. White matter is made up of axons, which are long cords that extend from the neurons. Grey matter is made up of neurons, cells and blood vessels. The tissue of the central nervous system is made up of grey matter and white matter. The neurons are arranged in networks that carry electrical or chemical messages to and from the brain. The nervous system is made up of basic units called neurons. What are the parts of the central nervous system? Nerves also connect the spinal cord to a part of the brain called the brainstem. It carries messages to and from the brain via the network of peripheral nerves connected to it. The spinal cord is an extension of the brain. The brain controls most of the functions of the body, including awareness, movement, thinking, speech, and the 5 senses of seeing, hearing, feeling, tasting and smelling. The central nervous system is the body’s processing centre. 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. It is one of 2 parts of the nervous system. The central nervous system (CNS) is made up of the brain and spinal cord. Related information on Australian websites.What are the parts of the central nervous system?.
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