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.
Your skin has three main layers: Epidermis â This is the layer you see. The surface is actually composed of dead skin cells that were made at the bottom of this layer and have risen to the top.This layer is constantly making new skin. It's also making a substance called melanin, which gives your skin its color.our skin has three main layers: Epidermis â This is the layer you see. The surface is actually composed of dead skin cells that were made at the bottom of this layer and have risen to the top.