BIO242 CH.22 Respiratory HAPS Class Review 2025-26 A+ Grade Qs&As

BIO242 CH.22 Respiratory HAPS Class Review 2025-26 A+ Grade Qs&As Describe the major functions of the respiratory system. - ANS-1. Provide a large surface area for Gas exchange: External (gas exchange into the body from the lungs) and Internal respiration (gas exchange from the capillary network with the tissues ) 2. Move air to and from exchange surfaces of the lungs along the respiratory tract. 3. Protection- Innate Immunity: -prevent Dehydration and Temperature changes. -preventing some microorganisms from entering the body by removing them from respiratory surfaces. 4. Produce Sound: Air movement past the vocal cords makes sound and speech possible. 5. Olfaction: The sensation of smell occurs when airborne molecules (chemical stimuli) are drawn into the nasal cavity Describe the four respiratory processes - ventilation, external respiration (gas exchange at lung), internal respiration (gas exchange at body tissues), and cellular respiration. - ANS-1. Pulmonary ventilation: moving air into and out of the lungs (provides alveolar ventilation) 2. External respiration: gas exchange between the lungs and the blood (alveoli) 3.Internal respiration: gas exchange between systemic blood vessels and tissues (Cellular Respiration) 4. Transport: transport of oxygen and carbon dioxide between the lungs and tissues Continues...