icu i s s u e s & a n s w e r s 2 Pulse Oximeter: A small probe attached to the finger, nose, or ear that helps monitor the oxygen in the blood and the patientâs pulse.
In this Article. Your skin is the largest organ of your body, made up of several different components, including water, protein, lipids, and different minerals and chemicals. Its job is crucial: to protect you from infections and other environmental assaults. The skin also contains nerves that sense cold, heat, pain, pressure, and touch.
The skin is made of 3 layers; the dermis, epidermis and the subcutaneous. The epidermis is the thin, tough, outer layer of skin that we see and touch. The dermis is the layer below and it contains nerve endings, sweat glands and hair follicles.