Question

Why is it difficult for damage to the brain and spinal cord to heal?

Many nerve cells are permanently in Go and don't usually divide.
The human body doesn't really need the brain and spinal cord, so, it's not necessary for
damaged cells to be replaced.
These organs are too complex and are unable to heal.

Answer 1

Damage to the brain and spinal cord is difficult to heal because nerve cells in these organs do not divide easily, and the body doesn't have a mechanism to replace damaged cells. Additionally, the complexity of the brain and spinal cord further complicates the healing process.

Step-by-step explanation:

Damage to the brain and spinal cord can be difficult to heal due to several factors. Firstly, many nerve cells in these organs are permanently in the G0 phase of the cell cycle, meaning they do not actively divide and cannot be replaced easily. Secondly, the brain and spinal cord are vital organs that perform important functions, so the body doesn't have a strong mechanism to replace damaged cells. Lastly, the complexity of these organs makes the healing process more challenging.

Learn more about Healing of brain and spinal cord injuries