Exercise 16 The Respiratory System 321 3X3 the c. seraspod sino Rank the carbon dioxide level in each stage from highest to lowest. 3. Form and function are related. Describe how the "form" of the tracheal wall is related to its four functions. of the trache RV enolieeu welveft bns four functions are moistening the air, Cleaning el the air, swalloing food maintainin an open the Passabeanaly 4. Describe how the "form" of the bronchial wall is related to two functions. ocon 5. The respiratory membrane is made of two thin membranes from the alveolus and illary walls. What is important about the thinness of the membranes? hom iSTUDIO valm 6. Draw and label an alveolus surrounded by a capillary network. Prowa sods woled disq edi edFW xbod en nive 7. You smell something delicious, and you wa Explain how you can increase olun might be involved? DOUGE Chud COM