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 dermis, a connective tissue made up of collagen and networks of elastic fibers which give skin its resiliency, is the layer in which tattoo ink is deposited. The dermis (papillary layer) immediately below the epidermis is made of loose connective tissue and contains small blood vessels and nerve endings.