Unit 5: Hemoglobin Testing 6 Original: October 1999 Revision: September 2010 Before you learn about how to use the HemoCue machine and take blood from clients, you need to learn about anemia and the causes of anemia.
Skin has three layers: 1  The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. 2  The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. 3  The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.
The outermost layer of skin is called the epidermis. That would be the epidermis. The outer covering of the skin is the epidermis. This consists of two layers, outermost layer is called the stratum corneaum sometimes called the horny layer. Below this is the stratum germinativum. epidermis. Epidermis.