Eye anatomy.

Lungs- lower respiratory system.

Lymphatic system.

Silhouette of man and woman showing the reproductive systems.

Medical illustration showing basic heart anatomy. Double inset showing heart chambers during diastole and systole.

Illustration of rose odor flowing though the nasal sinus, where the olfactory mucosa (membrane) is located.

Medical illustration showing the anatomy of the visual system and the formation of images in the brain.

Medical illustration showing the anatomy of the inner ear, with the detailed anatomy of the cochlea.

Medical illustration showing the anatomy of the spine showing healthy vertebrae. The colors indicate the spinal curvatures: cervical (red), thoracic (blue), lumbar (purple), sacrum (green), coccyx (orange).

Anatomy of the knee: muscle, tissue, and bone.

Anatomy of the leg and its muscles.

Sense of smell and taste.

The hypothalamus, a control center of the autonomic nervous system in the brain.

Illustration of full skeleton.

Illustration depicting communication between brain cells in a neural network.

Anatomy of the mouth region.

Tooth anatomy.

Normal anatomy of the knee.

Illustration of the full body of a young girl.

Illustration of the upper body and head of a young girl.