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Structure of Spinal Cord Video Lecture | Biology Class 11 - NEET
FAQs on Structure of Spinal Cord Video Lecture - Biology Class 11 - NEET
| 1. What is the structure of the spinal cord? |  |
Ans. The spinal cord is a long, cylindrical bundle of nerve tissue that extends from the base of the brain to the lower back. It is protected by the vertebral column and consists of 31 segments, each with a pair of spinal nerves that branch out to various parts of the body.
| 2. How does the spinal cord transmit signals? | |
Ans. The spinal cord acts as a pathway for transmitting signals between the brain and the rest of the body. It contains both sensory and motor neurons. Sensory neurons carry signals from the body to the brain, while motor neurons carry signals from the brain to the body. This allows for the coordination of movement and the processing of sensory information.
| 3. What are the main functions of the spinal cord? | |
Ans. The spinal cord plays a vital role in the nervous system. Its main functions include transmitting signals between the brain and the body, coordinating reflexes, and controlling voluntary movements. It also helps regulate processes such as breathing, heart rate, and blood pressure.
| 4. Can the spinal cord regenerate if injured? | |
Ans. The spinal cord has limited ability to regenerate after injury. Unlike other parts of the body, the spinal cord does not have the same regenerative capacity. However, ongoing research and emerging therapies show promising potential for promoting nerve regeneration and functional recovery following spinal cord injuries.
| 5. What are some common spinal cord disorders? | |
Ans. Several disorders can affect the spinal cord, including spinal cord injuries, spinal stenosis, herniated discs, and spinal tumors. These conditions can lead to various symptoms such as pain, weakness, numbness, and loss of motor function. Treatment options for spinal cord disorders depend on the specific condition and may include medication, physical therapy, or surgery.
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