Select the function(s) of the backbone from the following.

i. Allows us to move, feel and think.
ii. Provides support to organs and tissues in the body like the spinal cord and the brain
iii. Aids for an erect posture.
iv. Permits us to walk.

It allows us to move and is the foundation for many systems of the body, some of the functions of backbone are listed below.

i. Provides support to organs and tissues in the body like the spinal cord and the brain
ii. Aids for an erect posture.
iii. Permits us to walk.