(a) What is spinal cord? What is its main function?
(b) Give the functions of medulla.
Answers
Explanation:
a. The mass of nerves inside the spine that connects all parts of the body to the brain is called spinal cord.
The spinal cord carries out two main functions: It connects a large part of the peripheral nervous system to the brain. Information (nerve impulses) reaching the spinal cord through sensory neurons are transmitted up into the brain.
b. The medulla oblongata helps regulate breathing, heart and blood vessel function, digestion, sneezing, and swallowing. This part of the brain is a center for respiration and circulation. Sensory and motor neurons (nerve cells) from the forebrain and midbrain travel through the medulla.
(a) The spinal cord is an essential part of the nervous system.
(b) The medulla regulates numerous unconscious acts such as the edible canal's heart function.
Explanation:
(a) The spinal cord is an essential part of the nervous system. This is a cylindrical structure, surrounded by a vertebral column called a bony cage.
Main function:-
It is responsible for the actions of the spinal contraction and the conduction of nerve signals into and also from the brain.
(b) The medulla regulates numerous unconscious acts such as the edible canal's heart function, respiration, blood pressure and peristaltic movements.
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