RFT Chapter 1. 1. Which of the following is the best definition of physiology? A. The study of how an organism functions at the various levels of organization. B. The study of organ systems and organs of the body - part of physiology C. The study of the structure of the human body - anatomy D. The study of human growth and reproduction - part of physiology 2. Which of the following statements is FALSE? A. Most cell-to-cell communication uses chemicals. B. Communication of a cell to the outside world occurs across the cell membrane. C. Homeostasis is an important process in the body. D. Teleological study of human physiology answers the "how" of the system. a. The teleological approach answers the why of the system. E. Only a small percentage of the living cells of the body are in direct contact with the external environment. 3. Which of the following shows an integration of systems? A. Transport of food from the esophagus through the stomach to the lumen of the small intestines - digestive system only B. Thinking or dreaming - central nervous system only C. Transport of blood through arteries, through arterioles, and finally to capillaries. - cardiovascular