MUSCLE PHYSIOLOGY

Detailed explanation-1: -The skin possesses many sensory receptors in the epidermis, dermis, and hypodermis, which allows for discrimination of touch such as pressure differences (light vs. deep). Other qualities of the external world assessed by skin sensory receptors includes temperature, pain, and itch.

Detailed explanation-2: -Touch receptors are a subtype of sensory neuron that are located in the skin and possess specialized endings that respond to mechanical stimulation. As part of the somatosensory system, touch receptors therefore transmit information regarding tactile stimuli to the central nervous system.

Detailed explanation-3: -The tongue, lips, and fingertips are the most touch-sensitive parts of the body, the trunk the least. Each fingertip has more than 3, 000 touch receptors, many of which respond primarily to pressure.