The pan since it sends a signal through the hand to the brain to pull away, which would be the pain sensors going off
Circle graph :P
p.s. please mark me as brainliest thnx
Serology is the branch of immunology that traditionally deals with in vitro diagnostic testing of serum, although the field has expanded to include other types of samples such as urine, saliva, and cerebrospinal fluid. It is a <span>study for diagnostic of serum and other bodily fluids.</span>