Human Physiology I

Human physiology integrates digestion, breathing, circulation, excretion and neuro-endocrine control into one coordinated system. IAT tests precise mechanisms — enzyme sites, pressure-volume changes in the cardiac cycle, nephron transport, and hormone feedback loops — rather than rote listing.

16 min readWeightage: 6–8 questions in IAT Biology30-question chapter test included

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Human Physiology I (Biology) is part of the ICSE & IGCSE syllabus plan. Pick the batch by the year you appear in — Class 11 students join the two-year ICSE / IGCSE 2028 program, Class 12 students and repeaters join the one-year or crash program for ICSE / IGCSE 2027.

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