COKO GRADE 12 KINESIOLOGY EXAM Questions and Verified Answers (2024 / 2025)/ A+ GRADE

COKO GRADE 12 KINESIOLOGY EXAM Questions and Verified Answers (2024 / 2025)/ A+ GRADE.1. What are the three main functions of the respiratory system ANS 1. Supply oxygen to the blood 2. Remove CO2 3.Regulate blood PH 2. What is external respiration ANS Processes that occur within the lungs involving exchange of O2 + CO2 3. What is internal respiration ANS gas exchange at tissue level, O2 is delivered, CO2 removed 4. What is cellular respiration ANS Process in which cells use O2 to generate energy 5. What are the two main zones of the respiratory system ANS 1. Conductive zone: Transports air from outside the body to the lungs. (mouth,nose,bronchioles,larynx) 2.Respiratory zone: Gas exchange occurs between the air and the blood. (bronchi- oles,alveolar ducts,sacs) 6. What is ventilation ANS Is a combination of respiration and expiration. 7. What is inspiration ANS Active process that requiring the contraction of respiratory muscles in which air is taken in.