Ronaldo was born without the ability to experience pain, though he can perceive temperature differences and changes in pressure. what is his condition called? a. nociception

Congenital insensivity to pain or simply congenital analgesia is a condition when the patient doesn't feel any pain and temperature changes.
Where "congenital" word refers to a disease that starts from birth

Everyone’s hair grows differently.

Idont know which one is right   but i know that c is wrong and a might be wrong