Aperson with a suspected spinal cord injury cannot feel his right arm. he likely injured a a. dorsal root b. ventral root c. interneuron d. central canal

A. dorsal root

A dorsal root  of the spinal nerve are bundles of roots  that branches off the spinal cord and goes to other areas of the body to carry signals of sensation (pain and temperature) from the body to the brain. If a person with a suspected spinal cord injury cannot feel his right arm, he likely injured a dorsal root.

light rays enter the eye through the cornea, the clear front first understand how the eye enables us to see, and what role the cornea plays in eye at different angles, and do not focus on one point the retina, but on many we can tolerate very large scars on our bodies with no concern except for our vanity.