Is a rare disorder that includes the inability to feel pain. a. somatoform pain disorder b. congenital analgesia c. kinesthesis d. anesthesia

The answer is B. Congenital analgesia

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

answer; polycythemia is the correct answer;