Explain why a man with a damaged spinal cord may not be able to feel someone touching his toe

All of the body's nerves all go from the brain through the spinal cord do if the spinal cord is damaged then it is possible that some of the nerves are damaged. i.g. the one in his toes

Six amino acids have side chains that are polar but not charged. these are serine (ser), threonine (thr), cysteine (cys), asparagine (asn), glutamine (gln), and tyrosine (tyr). these amino acids are usually found at the surface of proteins, as discussed in the proteins 2 module.

Ichoose a as my answer