Organs are the body's vital structures, using complex structures to perform specialized tasks and connect bodily systems to each other. Learn more about how different organs look and work.
Blue x-ray image showing ureters running from the kidney to the bladder
Ureters: Anatomy, Function, and Treatment
By Kathi Valeii
X-ray image of the breast, showing the internal breast in bright, neon colors
Mammary Glands: Anatomy, Function, and Treatment
By Kathi Valeii
Tasting
Taste Buds: Anatomy, Function, and Treatment
By Kathi Valeii
A white-presenting person's earlobe under a head of short, black and gray hair
Earlobe: Anatomy, Function, and Treatment
By Kathi Valeii
The eardrum sits between the outer ear and middle ear
Eardrum: Anatomy, Function, and Treatment
By Kathi Valeii
Primarily black and white photo of the human neck. There are four red and yellow spots near the center of the neck indicating the location of the parathyroid.
Parathyroid: Anatomy, Location, and Function
By Krystina Wagner
biliary system
The Biliary System: Anatomy, Function, Common Conditions
By Sherry Christiansen
Bone marrow under the microscope
Bone Marrow: Anatomy, Function, and Treatment
Medically reviewed by Anita C. Chandrasekaran, MD, MPH
The lens of the eye
The Lens: Anatomy, Function, and Treatment
By Rachael Zimlich, BSN, RN
The choroid plexus in the ventricles of the brain
Choroid Plexus Anatomy, Function and Signifigance
By Kristin Hayes, RN
Thalamus and hypothalamus in the diencephalon of the brain
The Diencephalon: Anatomy, Structure and Treatment
Medically reviewed by Kashif J. Piracha, MD
Side view of female doctor examining senior patient in medical clinic
Understanding the 11 Body Organ Systems
Medically reviewed by Michael Menna, DO
Salivation
Parotid Gland: Anatomy, Location, and Function
Medically reviewed by Jenny Sweigard, MD
Bladder anatomy
Bladder: Anatomy, Location, and Function
Medically reviewed by Rony Kampalath, MD
lungs anatomy
Lungs: Anatomy, Function, and Treatment
By Colleen Travers
Male testes, illustration
Testes: Anatomy, Function, and Treatment
Medically reviewed by Chris Vincent, MD
Human Thymus Anatomy
Thymus: Anatomy, Function, and Treatment
Medically reviewed by Kashif J. Piracha, MD
Checking the Lymph Nodes
Thyroid Gland: Anatomy, Function, and Treatment
Medically reviewed by Elizabeth Molina Ortiz, MD, MPH
X-ray illustrating the anatomy of the diaphragm
Diaphragm: Anatomy, Function, and Abnormalities
Medically reviewed by Rony Kampalath, MD
Ear anatomy
Cochlea: Anatomy, Function, and Treatment
Medically reviewed by Keri Peterson, MD
Female human ear closeup - stock photo
The Ear: Anatomy, Function, and Treatment
Medically reviewed by Jenny Sweigard, MD
The fight against wrinkles
Cornea: Anatomy, Function, and Treatment
By Elizabeth Hanes, BSN, RN
Close-up of an eye showing the details in the iris and sclera.
The Iris: Anatomy, Function, and Treatment
Medically reviewed by Jason DelCollo, DO
adrenal glands
Adrenal Gland: Anatomy, Locations, and Function
Medically reviewed by Elizabeth Molina Ortiz, MD, MPH
gallbladder
The Gallbladder: Anatomy, Function, and Treatment
Medically reviewed by Kashif J. Piracha, MD
Photo of a person holding a sore wrist
Carpal Tunnel: Anatomy, Function, and Treatment
Medically reviewed by Laura Campedelli, PT, DPT
Vas deferens
Vas Deferens: Anatomy, Function, and Treatment
Medically reviewed by Keri Peterson, MD
doctor looking at man's throat and pharynx
Pharynx: Anatomy, Function, and Treatment
Medically reviewed by Jason DelCollo, DO
Doctor showing brain x-ray on digital tablet to patients
Pituitary Gland: Anatomy, Function, and Treatment
Medically reviewed by Elizabeth Molina Ortiz, MD, MPH
Anatomy of the penis
Penis: Anatomy, Function, and Treatment
Medically reviewed by Rochelle Collins, DO
woman at doctor's office
The Vulva: Anatomy, Function, and Treatment
Medically reviewed by Rochelle Collins, DO
Small intestine
Small Intestine: Anatomy, Function, and Treatment
Medically reviewed by Kashif J. Piracha, MD
Doctor and patient using digital tablet in hospital
Cerebrum: Anatomy, Function, and Treatment
By Elizabeth Hanes, BSN, RN
Skin
Skin: Anatomy and Function
Medically reviewed by Rochelle Collins, DO
Chest anatomy, artwork - stock illustration
Diaphragm: Anatomy, Function, and Treatment
Medically reviewed by Lauren Schlanger, MD
The human brain
The Brain: Anatomy, Function, and Treatment
Medically reviewed by Keri Peterson, MD
Spleen
Spleen: Anatomy, Function, and Treatment
Medically reviewed by Kashif J. Piracha, MD
Human larynx, illustration
Larynx: Anatomy, Function, and Treatment
Medically reviewed by Rochelle Collins, DO
Eye Check up
Retina: Anatomy, Function, and Treatment
Medically reviewed by Keri Peterson, MD
The kidneys
Kidneys: Anatomy, Location, and Function
Medically reviewed by Anita C. Chandrasekaran, MD, MPH
A woman sticks out her tongue
Tongue: Anatomy, Function, and Treatment
Medically reviewed by Robert D. Sadaty, MD
Fetus (Baby) in Womb Anatomy
Placenta: Anatomy, Function, and Treatment
By Mark Gurarie
Human Pancreas Anatomy
Pancreas: Anatomy, Function, and Treatment
Medically reviewed by Rochelle Collins, DO
Prostate gland. Male reproductive and urinary systems.
Prostate: Anatomy, Function, and Treatment
By Mark Gurarie