(a) What is spinal cord? What is its main function?
(b) Give the functions of medulla.

(a) The spinal cord is a part of the central nervous system (CNS). It is a cylindrical bundle of nerve fibres enclosed by a bony cage called the vertebral column. It is responsible for spinal reflex actions and the transmission of the neural signal (nerve impulses) between the brain and the rest of the body.

(b) The medulla controls various involuntary actions such as the heartbeat, breathing, blood pressure, sneezing, swallowing, and peristaltic movements of the alimentary canal. It is a centre for respiration and circulation.


Simply Easy Learning

Updated on: 23-Mar-2023


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