BIOL 121 CHAPTER 24 THE RESPIRATORY SYSTEM

BIOL 121 CHAPTER 24 THE RESPIRATORY SYSTEM Human Anatomy, 7e (Martini/Timmons/Tallitsch) Chapter 24 The Respiratory System 1) Cells obtain energy primarily A) through gas exchange, gain of O2, and elimination of CO2. B) through aerobic metabolism. C) to increase the energy level of the cells. D) to assist in the movement of blood by decreasing its density by the addition of gases. E) None of the answers are correct. Answer: B 2) The last passageway of the conducting portion of the re...