Which Of the followings are TRUE? Select one: O a. Cellular respiration - Gas exchange between blood and tissue cells O b. Pulmonary ventilation – Conducting zone O c. Respiratory zones – Site of gas exchange O d. Internal respiration - CO2 is used by the cells e. External respiration - Continuous replacement of gases in alveoli

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Q: 1. Respiration/Breathing = gas exchange

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Q: Which of the following statements about surface tension is false? O a. In alveoli, water molecules…

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