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.
One  important area is the skin (areolar tissue is found in both the  dermis and sub-cutaneous layers of the skin. â¦ The areolar tissue  located in the skin binds the outer layers of the skin to the  muscles beneath. Areolar tissue is also found in or around mucous  membranes, and around blood vessels, nerves, and the organs of the  body. Through out the human body-it keeps your skin from hanging loosely. DM.