Anatomy · Lessons

Anatomy lessons

2 sections · 95 skills · work through the full outline skill by skill — read the long-form lesson or flip through the slide-style version.

Long-form lessonsSlide-style lessons

Practice 95 skills across this outline.

Recommended next

Shock, Dehydration, and Volume Status

Systems & Integration · Integrated Physiology & Case Reasoning

Long-form lesson

Weighting distribution

17 categories

Foundations · Nervous System Foundations

10%

Systems & Integration · Cardiovascular System

Foundations · Muscular System

Systems & Integration · Integrated Physiology & Case Reasoning

Foundations · Endocrine System Foundations

Foundations · Anatomical Terminology & Organization

Skills

The comprehensive taxonomy of anatomy — drill into a card to work its skills.

Systems & Integration · Integrated Physiology & Case Reasoning

7 core skills8% total weight

0/7 completed

7 skills to mastery

Shock, Dehydration, and Volume StatusRecommended

Long-form

Homeostatic Integration Across SystemsAvailable

Long-form

Thermoregulation Across SystemsAvailable

Long-form

Exercise Physiology: Acute ResponsesAvailable

Long-form

Clinical-Style Data InterpretationAvailable

Long-form

Acid-Base Disturbances: Types and CompensationAvailable

Long-form

Fluid Compartments and OsmolarityAvailable

Long-form

Systems & Integration · Study & Lab Skills

4 core skills3% total weight

0/4 completed

4 skills to mastery

Anatomy Lab Identification: Landmarks and TerminologyAvailable

Long-form

Model/Diagram Interpretation (Cross-Sections, Pathways)Available

Long-form

Microscopy Basics: Tissue IDAvailable

Long-form

Physiology Lab DataAvailable

Long-form

Systems & Integration · Renal and Urinary System

6 core skills6% total weight

0/6 completed

6 skills to mastery

Acid–Base Regulation by the KidneyAvailable

Long-form

Fluid and Electrolyte BalanceAvailable

Long-form

Kidney Anatomy and Nephron StructureAvailable

Long-form

Hormonal Control: ADH and AldosteroneAvailable

Long-form

Concentration of Urine and Countercurrent MechanismAvailable

Long-form

Filtration, Reabsorption, and SecretionAvailable

Long-form

Systems & Integration · Cardiovascular System

9 core skills9% total weight

0/9 completed

9 skills to mastery

Blood Vessels and HemodynamicsAvailable

Long-form

Blood Types and ABO/Rh CompatibilityAvailable

Long-form

Blood Pressure Regulation (Baroreflex, RAAS)Available

Long-form

Electrical Conduction System and ECG BasicsAvailable

Long-form

Cardiac Output and Frank-Starling LawAvailable

Long-form

Blood Cell Production and HematopoiesisAvailable

Long-form

Blood Composition and HemostasisAvailable

Long-form

Systemic vs Pulmonary CirculationAvailable

Long-form

Heart Anatomy and Cardiac CycleAvailable

Long-form

Systems & Integration · Special Senses

4 core skills5% total weight

0/4 completed

4 skills to mastery

Vision: Eye Anatomy and Basic PhysiologyAvailable

Long-form

Somatosensation: Touch, Pain, TemperatureAvailable

Long-form

Hearing and Balance: Ear Anatomy, FunctionAvailable

Long-form

Taste and Smell: ChemoreceptionAvailable

Long-form

Systems & Integration · Lymphatic & Immune System

5 core skills4% total weight

0/5 completed

5 skills to mastery

Vaccination and Immune MemoryAvailable

Long-form

Lymphatic Vessels, Nodes, and Fluid ReturnAvailable

Long-form

Antigens, Antibodies, and Basic Immune ResponsesAvailable

Long-form

Innate vs Adaptive ImmunityAvailable

Long-form

Inflammation, Fever, and ComplementAvailable

Long-form

Systems & Integration · Reproductive System

5 core skills3% total weight

0/5 completed

5 skills to mastery

Male Reproductive Anatomy and SpermatogenesisAvailable

Long-form

Fertilization and Early DevelopmentAvailable

Long-form

Pregnancy Physiology OverviewAvailable

Long-form

Female Reproductive Anatomy and OogenesisAvailable

Long-form

Menstrual Cycle and Hormonal RegulationAvailable

Long-form

Systems & Integration · Respiratory System

6 core skills5% total weight

0/6 completed

6 skills to mastery

Respiratory Tract and AlveoliAvailable

Long-form

Regulation of Breathing (Chemoreceptors)Available

Long-form

Oxygen Transport and Hemoglobin Dissociation CurveAvailable

Long-form

Ventilation Mechanics and Lung VolumesAvailable

Long-form

Gas Exchange and Partial Pressure GradientsAvailable

Long-form

Acid–Base Balance Links (CO2/Bicarbonate)Available

Long-form

Systems & Integration · Digestive System

5 core skills4% total weight

0/5 completed

5 skills to mastery

Liver Function and Metabolic RolesAvailable

Long-form

Digestion and Absorption of MacronutrientsAvailable

Long-form

GI Tract Anatomy and Accessory OrgansAvailable

Long-form

Motility and Regulation (Peristalsis, Hormones)Available

Long-form

Nutrient Homeostasis and Fed/Fasted StatesAvailable

Long-form

Foundations · Nervous System Foundations

8 core skills10% total weight

0/8 completed

8 skills to mastery

CNS vs PNS Organization, Functional DivisionsAvailable

Long-form

Synaptic Transmission and NeurotransmittersAvailable

Long-form

Spinal Cord Anatomy and Reflex ArcsAvailable

Long-form

Neuron Structure and Action PotentialsAvailable

Long-form

Autonomic Nervous System: Sympathetic vs ParasympatheticAvailable

Long-form

Sensory vs Motor PathwaysAvailable

Long-form

Brain Regions and CNS AnatomyAvailable

Long-form

Cranial Nerves: Classification and Clinical RelevanceAvailable

Long-form

Foundations · Muscular System

6 core skills9% total weight

0/6 completed

6 skills to mastery

Neuromuscular Junction: Structure and MechanismAvailable

Long-form

Sliding Filament Theory and Contraction CycleAvailable

Long-form

Levers, Movement, and BiomechanicsAvailable

Long-form

Energy Systems in MuscleAvailable

Long-form

Muscle Anatomy: Fascicles, Sarcomeres, and AttachmentsAvailable

Long-form

Motor Units, Recruitment, and Muscle TensionAvailable

Long-form

Foundations · Endocrine System Foundations

5 core skills8% total weight

0/5 completed

5 skills to mastery

Feedback Regulation of Hormone SecretionAvailable

Long-form

Hormone Classes and Receptor MechanismsAvailable

Long-form

Major Endocrine Glands and Core HormonesAvailable

Long-form

Endocrine vs Neural ControlAvailable

Long-form

Hypothalamus–Pituitary AxisAvailable

Long-form

Foundations · Tissues, Repair & Inflammation

6 core skills3% total weight

0/6 completed

6 skills to mastery

Epithelial Tissue: Types and FunctionsAvailable

Long-form

Inflammation and Innate Immune ResponseAvailable

Long-form

Nervous Tissue: Neurons and NeurogliaAvailable

Long-form

Muscle Tissue: Skeletal, Cardiac, SmoothAvailable

Long-form

Connective TissueAvailable

Long-form

Wound Healing Stages and Tissue RepairAvailable

Long-form

Foundations · Skeletal System

5 core skills3% total weight

0/5 completed

5 skills to mastery

Bone Development and Growth (Ossification)Available

Long-form

Axial vs Appendicular Skeleton: Major LandmarksAvailable

Long-form

Joint Types, Movements, and StabilityAvailable

Long-form

Bone Tissue Structure and RemodelingAvailable

Long-form

Calcium Homeostasis and Bone-Endocrine LinksAvailable

Long-form

Foundations · Cell & Membrane Physiology

5 core skills4% total weight

0/5 completed

5 skills to mastery

Cell Structure and OrganellesAvailable

Long-form

Cell Cycle, Growth, and RepairAvailable

Long-form

Cell Signaling Basics (Receptors, Second Messengers)Available

Long-form

Membrane Potential Basics and Ion GradientsAvailable

Long-form

Membrane Structure and TransportAvailable

Long-form

Foundations · Anatomical Terminology & Organization

5 core skills7% total weight

0/5 completed

5 skills to mastery

Directional Terms, Planes, and Body RegionsAvailable

Long-form

Homeostasis: Feedback and Set PointsAvailable

Long-form

Levels of OrganizationAvailable

Long-form

Body Cavities and Serous MembranesAvailable

Long-form

Histology: Tissue Types and Key FeaturesAvailable

Long-form

Foundations · Integumentary System

4 core skills5% total weight

0/4 completed

4 skills to mastery

Wound Healing and Skin RepairAvailable

Long-form

Skin Layers and Accessory StructuresAvailable

Long-form

Thermoregulation and Skin FunctionsAvailable

Long-form

Common Skin Conditions (Burns, Acne, Dermatitis)Available

Long-form