What are the lungs?

The the lungs is called the lungs. Gray's Anatomy (1918) describes it as a pair of spongy, cone-shaped organs.

What it is

  • A pair of spongy, cone-shaped organs.
  • The right lung has three lobes; the left has two (to make room for the heart).
  • The organs of gas exchange.

Where it is

  • Fill most of the chest cavity, on either side of the heart.
  • Sit on the diaphragm.
  • Enclosed in the pleura.

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Last verified: 2026-07-18

  • Best Anatomy Answers is an educational reference about human anatomy. It is not medical advice — for any health concern, talk to a licensed medical professional.

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