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 protective outer layer of the skin of an animal. In invertebrate animals, the epidermis is made up of a single layer of cells. In vertebrates, the epidermis is made up of many layers of cells and overlies the dermis. Hair and feathers grow from the epidermis.