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.
3. Subcutaneous Tissue is the third, but not actually part of the skin. It is Loose Connective Tissue that attaches the dermis to underlying structures. The three layers of human skin are:EpidermisDermisSubcutaneous tissue The epidermis is the outer/visible layer.The epidermis consists of 5 layers in itself.he layers of the skin are the dermis, epidermis, and hypodermis.   Epidermis, dermis, subcutaneous (fat) Not all professions recognize the subcutaneous as a layer The ep â¦ idermis, the dermis, and the fatty region. The epidermis is the outermost and thinnest layer.