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How the healthy body actually works — from the cell membrane to the brain — told through one connected idea: every system moves something down a gradient, through a gate, under feedback control. Twelve Parts, 130 connected concepts, 105 handwritten one-page notes, and a revision hub of MCQs, cases, viva and flashcards for every Part.
Same 130 concepts, two depths. You can switch anytime — even mid-concept.
Start here
Plain-language understanding with a handwritten one-page note for the cell, nerve, muscle, senses and brain.
Open Foundation →
Go deeper
Mechanism-first depth with equations, curves and bedside reasoning — for university exams, NEET-PG and the wards.
Open Clinical Reasoning →
Part 1 · The Cell and Its Fluids
11 concepts · 20 MCQs · 20 flashcards · 4 cases
Part 2 · Blood and Immunity
9 concepts · 20 MCQs · 20 flashcards · 4 cases
Part 3 · Nerve and Muscle
11 concepts · 20 MCQs · 20 flashcards · 4 cases
Part 4 · The Gut and the Liver
10 concepts · 20 MCQs · 20 flashcards · 4 cases
Part 5 · The Heart and Circulation
15 concepts · 20 MCQs · 20 flashcards · 4 cases
Part 6 · The Lungs and Breathing
15 concepts · 20 MCQs · 20 flashcards · 4 cases
Part 7 · The Kidneys and Acid–Base
12 concepts · 20 MCQs · 20 flashcards · 4 cases
Part 8 · Hormones
11 concepts · 20 MCQs · 20 flashcards · 5 cases
Part 9 · Reproduction
8 concepts · 20 MCQs · 20 flashcards · 5 cases
Part 10 · The Senses
13 concepts · 20 MCQs · 20 flashcards · 5 cases
Part 11 · Movement, Autonomic Control and the Mind
11 concepts · 20 MCQs · 20 flashcards · 5 cases
Part 12 · The Whole Body Under Stress
4 concepts · 20 MCQs · 20 flashcards · 5 cases
The handbook is the deep read. For rapid recall and search, use the connected surfaces: