Human Anatomy and Physiology (dermis)
Have you ever wondered what structures lied in the dermis layer, or what was responsible for the stimulus reaction behind your involuntary response? Inside this vascularized layer lies microscopic structures. These structures carry out specific functions inside your dermis. These functions could be sweating, secreting, or an involuntary stimulus-response. Among these structures are the arrector pilli muscles. These Little collections of smooth muscle cells bring your hair to attention and create dimples or if preferable “goosebumps.” For animals, this involuntary […]