Are all functions of our body under direct control of the brain and

Are all functions of our body under direct control of the brain and spinal cord ? What do you think so ?
A. There are 12 pairs of cranial nerves arising from the brain and 31 pairs of spinal nerves arising from the spinal cord.
These 43 pairs of nerves bring information from the body parts to the brain and spinal cord carrying information from brain and spinal cord to the body parts.
It is cleared that cranial nerves and spinal nerves are connecting between the body parts and brain and spinal cord to co-ordinate and control the functions by the brain and spinal cord.