EVERYDAY SCIENCE

Detailed explanation-1: -The nervous system uses electrical and chemical means to help all parts of the body to communicate with each other. The brain and spinal cord make up the central nervous system. Nerves everywhere else in the body are part of the peripheral nervous system.

Detailed explanation-2: -The peripheral nervous system (PNS), which consists of the neurons and parts of neurons found outside of the CNS, includes sensory neurons and motor neurons. Sensory neurons bring signals into the CNS, and motor neurons carry signals out of the CNS.

Detailed explanation-3: -Nervous tissue, present in both the CNS and PNS, contains two basic types of cells: neurons and glial cells.

Detailed explanation-4: -What are the parts of the central nervous system? The nervous system is made up of basic units called neurons. The neurons are arranged in networks that carry electrical or chemical messages to and from the brain. The tissue of the central nervous system is made up of grey matter and white matter.

Detailed explanation-5: -Answer and Explanation: The correct answer: Among the given options b) cranial nerves is not a part of the central nervous system. The cranial nerves are considered to be part of the peripheral nervous system which is associated with neural control of some of the major functions around the body.