bio 226 chapter 1

Ch 1 Assessment Study online at https://quizlet.com/_9uaafj 1. The smallest living unit in the human body is a cell 2. Each system in the body acts independently which is why we study each system separately. False 3. Which of the following would NOT be considered part of the body's internal environment? inside the diges- tive tract 4. Hemopoiesis is the process of making blood cells and takes place in red bone marrow. All formed elements (red and white blood cells and platelets) in your blood stream arise from a single cell type. This cell would be considered a stem cell 5. Negative feedback systems reinforce the initial change in the controlled variable. False 6. Vital signs are subjective changes in body functions that are not apparent to a clinician. False 7. Physiology is the study of body functions 8. All of the following statements are true according to cell theory EXCEPT organs are made of a single type of cell 9. Which would be an example of physiology? explaining how a neuron conducts a signal 10. Which is an incorrect pairing of a structure-function relationship? a thick layer of cells in an organ allowing exchange 11. A group of similar cells that work together to perform a particular function is a/an tissue 12. Place the levels of organization in order from MOST to LEAST complex. organismal, sys- tem, organ, tis- 1 / 2