Illustration of glass arteries.

Illustration showing metallic looking lungs.

Illustration of anatomy of long bone.

Musculature of female body, full back view.

View of facial muscles.

Medical illustration of a front view of an outlined female body showing the muscular system.

Illustration of the male pelvis, midsagittal section, showing bladder wall trabeculation (top center) and urine retention due to an enlarged prostate gland (benign prostatic hyperplasia). The enlarged prostate is visible in the center of the image, surrounding the urethra. The rectum is the fleshy pink area to the far right.

Tour of a neuron: general morphology of myelinated neuron.

Cross section of womb showing fetus in birth canal.

Illustration showing a healthy human heart.

Urinary system in male figure.

Urinary system in female figure.

Illustration showing muscles in the human face, neck and head.

Model of the heart.

Medical illustration showing wire frame stomach with capsule dissolving.

Photo illustration showing the heart, urinary tract, lungs, and digestive tract.

Computer graphics showing joint anatomy of diver.

Bones

Illustration comparing the anatomy of human bones (left) and bird bones (right).

Illustration comparing bird and human bone anatomy. Human bone cavities are filled with yellow marrow, while bird bones are hollow with scaffolding.