◍1 specimens

Respiratory

Trades oxygen for carbon dioxide with the air.

Explore in 3D

Human organs

Lungs

Pulmones

Paired organs that draw in air and trade oxygen for carbon dioxide across a vast, delicate surface.

Function
Exchanges oxygen for carbon dioxide
Location
Either side of the heart, within the ribcage
Structures
8 labelled
Lungs

Structures to know

  • Trachea · Trachea — Carries air to the lungs
  • Right Lung · Pulmo dexter — Three lobes
  • Left Lung · Pulmo sinister — Two lobes, room for the heart
  • Bronchus · Bronchus principalis — Branching airway
  • Lung Base · Basis pulmonis — Rests on the diaphragm
  • Apex · Apex pulmonis — The top, above the first rib
  • Hilum · Hilum pulmonis — Where vessels and bronchi enter
  • Oblique Fissure · Fissura obliqua — The groove between lobes

Study material only — this is not medical advice or a diagnostic tool.

Reviewed 2026-08-18 · Structure names follow Terminologia Anatomica (TA2).