Meissner's corpuscles (touch receptors) present in this region in sensitive areas make skin sensitive to touch. One of the important role of papillary layer of dermis is in formation hair, its growth and cycling.
Cardiac arrest is the abrupt loss of heart function in a person who may or may not have diagnosed heart disease. The time and mode of death are unexpected. It occurs instantly or shortly after symptoms appear.
While they are both medical emergencies, a heart attack is the blockage of an artery leading to the heart, and a cardiac arrest involves the heart stopping the pumping of blood around the body. A heart attack can lead to cardiac arrest.