The word biopsychosocial originates from three factors, biological, psychological, and sociological (Shorter 2005). Straub (2002) places these three factors together by suggesting that health and disease should be described in terms of multiple contexts which implies that in connection to biopsychosocial, the biological, psychological and social forces work together to establish a person’s health and vulnerability to disease. The word biology according to Naidoo and Wills (2008) is:
“The science of life. It is the study of living organisms, what they are made of and how they function and how they interact with each other and the environment.”
(p.23).
Biology has several branches, one of which is physiology (Naidoo and Wills 2008), and according to Marieb (2009) physiology “is the study of how the body and its parts work or function” (p.2). With regards to William and physiology this essay will explore the pathophysiology of leg ulcers, the symptoms, signs and treatment. Pathophysiology, according to Gould and Dyer (2011) is “the study of functional or physiologic changes in the body that result from disease processes” (p.2.). To use this approach requires basic knowledge of anatomy and physiology so as to explore the changes