PHARMACOKINETICS: drug absorption, metabolism pathways, bioavailability, distribution factors, excretion processes reading comprehension passages. How does the body handle a medicine from the moment it’s taken to when it leaves the system? Students explore how drugs are absorbed, distributed through blood flow, metabolized in the liver, and excreted by the kidneys. They uncover how age, genetics, and health influence these steps, how drug interactions change outcomes, and how future research i