Physiology Which of the following is the best known metabolic function of the lung A Inactivation of serotonin B Conversion of angiotensin I to angiotensin II C Inactivation of bradykinin D Metabolism of basic drugs by cytochrome P450 system 💡 Explanation Which of the following is the best known metabolic function of the lung ✓ Correct Answer: B. Conversion of angiotensin I to angiotensin II