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The free foundation for a career in medicine.

A complete, citation-backed curriculum in the sciences that doctors, nurses, and EMTs all start from — anatomy, physiology, chemistry, microbiology, pharmacology, emergency care, and more. Start from zero and work your way up.

Start from the beginning See the full curriculum
57
lessons
12
subjects
3
tracks
319
quiz questions
179
citations

Study & review

Curriculum roadmap The full syllabus, ordered track by track. Flashcards Drill every key term and track what you know. Practice tests Quiz yourself by subject and get a score. Glossary Every term, defined and searchable, A–Z.

Foundational Sciences

The language, cells, chemistry, and body systems every clinician builds on.

Medical Terminology

Decode any medical word from its roots, prefixes, and suffixes.

3 lessons

Not started

Biology

Cells, DNA, genetics, and how living systems build and copy themselves.

6 lessons

Not started

Chemistry

Atoms, bonding, pH, and the solution math behind dosing.

5 lessons

Not started

Anatomy

The structure of the body, system by system.

8 lessons

Not started

Physiology

How the body’s systems function and keep themselves in balance.

4 lessons

Not started

Biochemistry

Macromolecules, enzymes, and the metabolism that powers cells.

3 lessons

Not started

Clinical Sciences

How microbes, the immune system, drugs, and disease processes actually work.

Microbiology

Bacteria, viruses, fungi, and how infections spread and are controlled.

4 lessons

Not started

Immunology

How the body defends itself — and how vaccines train it.

3 lessons

Not started

Pharmacology

How drugs move through the body, drug classes, and dosage math.

4 lessons

Not started

Pathophysiology

What goes wrong in disease — from inflammation to organ failure.

4 lessons

Not started

Clinical Practice

Bedside and field skills — the foundations behind EMT and nursing training.

Emergency Care

Patient assessment, CPR, airway, shock, and field emergencies (EMT foundations).

7 lessons

Not started

Nursing Fundamentals

The nursing process, infection control, medication safety, and assessment.

6 lessons

Not started

Browse all lessons

🔤 Medical Terminology

🧬 Biology

⚗️ Chemistry

🦴 Anatomy

🫀 Physiology

🧪 Biochemistry

🦠 Microbiology

🛡️ Immunology

💊 Pharmacology

🔬 Pathophysiology

🚑 Emergency Care

🩺 Nursing Fundamentals