The spine has several important functions for the body. Here are a few of them:

• Protects the spinal cord: The spine encases and protects the spinal cord from being damaged. It helps to protect your nervous system.
• Weight bearing: The spine helps to distribute your weight evenly which helps to provide you with stability and balance. 
• Provides support: The spine provides your body with structural support which helps you to be able to stand and walk.