In order to complete the course, you also must achieve a minimum passing grade of fifty percent (50%) on each quiz, each assignment and each exam (see below). If you obtain less than the required passing grade on any quiz or assignment you may take another version of the quiz or assignment delivered by your assigned Academic Expert at your request. This applies only to the quizzes and assignments for which you did not receive a minimum passing grade; you may not take an alternative quiz or assignment in an attempt to increase your grades.
Human physiology seeks to understand the mechanisms that work to keep the human body alive and functioning,  through scientific enquiry into the nature of mechanical, physical, and biochemical functions of humans, their organs, and the cells of which they are composed. The principal level of focus of physiology is at the level of organs and systems within systems. The endocrine and nervous systems play major roles in the reception and transmission of signals. that integrate function in animals. Homeostasis is a major aspect with regard to such interactions within plants as well as animals. The biological basis of the study of physiology, integration refers to the overlap of many functions of the systems of the human body, as well as its accompanied form. It is achieved through communication that occurs in a variety of ways, both electrical and chemical. [ citation needed ]