Question:
Spinal cord is protected by :
Spinal cord is protected by :
Updated On: Jul 28, 2022
- trachea
- aorta
- sternum
- vertebral column
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The Correct Option is D
Solution and Explanation
Spinal cord is a part of the central nervous system that is housed inside the vertebral column. It is an extension of the brain and is responsible for reflex actions. Spinal cord receives impulses from the sense organs and controls body responses.
The spinal cord is protected by vertebrae and meninges (protective membranes) around it. The cerebrospinal fluid fills the spaces between these meninges and acts as a cushion thereby protecting the spinal cord and also the brain.
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Concepts Used:
Nervous System
The nervous system, often known as the neural system, is a sophisticated network of neurons dedicated to the transmission of messages. As we progress up the food chain, the neurological system becomes more sophisticated.
Functions of Nervous System:
The nervous system's most basic job is to govern the organism's movement and to influence the environment (e.g., through pheromones). This is accomplished by transmitting signals from one cell to another, or from one body component to another. Signals that travel to muscle cells cause muscles to contract, and signals that travel to endocrine cells cause hormones to be released into the circulation or other internal fluids to cause the nervous system's output.