Multiple choice

Which of the following structures is cone-shaped?

  1. Trachea

  2. Larynx

  3. Lungs

  4. Bronchus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lungs are cone-shaped and extend from the collar bone to the surface of the diaphragm. The mid-line of each lung contains a region known as the hilus, the area through which blood and lymphatic vessels, nerves and primary bronchi enter and leave. Each lung is divided into lobes, three in the right lung and two in the left, within which there are smaller divisions known as lobules.

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