BIO 202 Arizona State University -Bio 202 Exam 3 questions n answers

BIO 202 Arizona State University -Bio 202 Exam 3 questions n answersList AND describe the basic functions of the respiratory system. - correct answer -Gas exchange between air/blood -Moving air to/from exchange surfaces of lungs (simple squamous epithelium) -Protecting surfaces -Dehydration, temp. changes, pathogen invasion -Producing communication sounds -Facilitating olfaction How do the respiratory zone and conducting zone differ? - correct answer *Conducting portion (zone):* -Begins at nasal cavity and extends through pharynx, larynx, trachea, bronchi and larger bronchioles -Cleanse, humidify and warm incoming air *Respiratory portion (zone):* -the actual site of gas exchange -Includes smallest, most delicate bronchioles and alveoli Compare and contrast the structures of the upper and the lower respiratory systems. - correct answer *Upper Respiratory System:* Nose Nasal cavity Paranasal sinuses Pharynx *Lower Respiratory System:* Larynx Trachea Bronchi Bronchioles