What Are The White Ball-like Things Under A Scab, And Is It Safe To Pull Them Out If They Bleed But Stop Hurting Afterward?

What are the white looking things in a scab that are healing they look like balls and like little tiny pretty things inside of a scab after you pull it off please let me know thank you we ve been pulling them out and they hurt but they bleed when they pull out and then they stop but it doesn t hurt after they re pulled out is it okay to be pulling them out or no