Human anatomy helps us understand the function and importance of complex structures within our bodies. From veins to organs, explore how different systems look and work.

He always has the answers
The Anatomy of the Epididymis
An illustration shows arteries with a section cut away to reveal red blood cells inside.
The Anatomy of the Suprascapular Artery
Sphenopalatine artery
The Anatomy of the Sphenopalatine Artery
iv catheterisation in cubital vein
The Anatomy of the Median Cubital Vein
veins and arteries of the neck
The Anatomy of the External Jugular Vein
veins and arteries of the neck
The Anatomy of the Internal Jugular Vein
Healthcare provider examining the inside of an infant's ears, while caretaker holds child's head still.
A Look Inside the Ear Canal
Woman standing in a home doing shoulder presses with dumbbells in each hand.
How Long It Takes to Build Muscle After Starting Training
An illustration showing mitochondria function.
Mitochondria Function in Humans
Woman in a healthcare provider's office with her mouth open; healthcare provider examining patient's mouth
Function of the Lingual Frenulum and Pain Causes
Healthcare provider examining a person's tonsils
Palatine Tonsils: Anatomy and Function
Doctor talking to patient
What Is Homeostasis?
wrist joint
Anatomy of the Condylar Joint
A healthcare provider with brain scan images
The Anatomy of the Central Nervous System
Woman rubbing her shoulder
Shoulder Pain: Types, Diagnosis and Treatments
Man stretching before a run
The Anatomy of Tendons
soda-bone-density
What You Need to Know About Calcifications (Calcium Deposits)
Pregnant Women Face Lonely Journeys To Childbirth In Covid Era
What Is Aplasia?
Hispanic doctor examining neck of patient
How the Lymphatic System Works
Graphic shows how the stress response system works starting with the hypothalamus and ending with cortisol release.
What Is Cortisol?
pH test
Why Do You Need pH Balance?
SPINAL CORD CROSS SECTION, 5X SHOWS: GRAY MATTER (GOLDEN BUTTERFLY), WHITE MATTER, CENTRAL CANAL, DORSAL & VENTRAL ROOT, DORSAL ROOT GANGLION, MENINGES, DORSAL HORN, VENTRAL (ANTERIOR) HORN, & ANTERIOR HORN CELLS (MOTOR NEURON CELL BODIES) - stock photo
How Meninges Support the Brain and Nervous System
arm muscle anatomy
Arm Muscle Anatomy and Function
Portrait of woman sticking out tongue
The Anatomy of the Sublingual Glands
seminal vesicles
The Anatomy of the Seminal Vesicles
heart model
The Anatomy of the Pericardium
brain head scan
The Anatomy of the Superior Sagittal Sinus
Innervation of the left eyeball and extraocular muscles
The Anatomy of the Ciliary Ganglion
Amygdala of the brain, illustration
The Anatomy of the Amygdala
outer ear
The Anatomy of Outer Ear
human ear anatomy
Understanding the Inner Ear
Clavicle bone, illustration
The Anatomy of the Clavicle
Doctor examining a man's neck
What Is an Adam’s Apple?
An illustration of lungs and bronchioles
What Are the Bronchioles?
The pons
The Anatomy of the Pons
A man points to a screen with images of a brain with an MRI machine in the background
The Anatomy of the Medulla Oblongata
Male pelvis
The Anatomy of the Scrotum
the duodenum
Duodenum: Anatomy, Location, and Function
Female reproductive system with image diagram
The Anatomy of the Fallopian Tubes
The anatomy of the pineal gland and how it produces melatonin to promote sleep
The Anatomy of the Pineal Gland
Waiting for the doctor
The Anatomy of the Bursa
Female breast anatomy, illustration
The Parts of the Breast
Eggs are a source of cholesterol.
Endogenous Substance and Your Body
An image of the mediastinum region
The Mediastinum and Its 3 Main Regions
Profile of female mouth and nose.
What Is the Hypodermis?
closeup of a woman's fingernails and fingers
Structure and Growth of Fingernails and Toenails
Mixed race woman massaging her face and looking at a mirror
The Anatomy of the Stratum Corneum
woman taking off bra before mammogram
Nipple Color and Other Changes
The Anatomy of the Talus
Doctor examining leg
The Anatomy of the Tibia
azygos vein in the human vascular system
The Anatomy of the Azygos Vein
Human veins illustration, retromandibular vein
The Anatomy of the Retromandibular Vein
A medical worker ties a tube around a patient's arm in preparation for a blood draw.
The Anatomy of the Basilic Vein
a young doctor man observing a chest radiograph in a tablet computer
The Anatomy of the Brachiocephalic Veins
popliteal vein
The Anatomy of the Popliteal Vein
Lower limb vascular examination because suspect of venous insufficiency
The Anatomy of the Great Saphenous Vein
A woman and her doctor discuss abdominal symptoms
The Anatomy of the Superior Mesenteric Vein
Human, who had been elevated from chair, holding his palm over calf
The Anatomy of the Small Saphenous Vein
The blood supply of the lower body - stock illustration
The Anatomy of the Femoral Vein
subclavian vein
The Anatomy of the Subclavian Vein