Multiple choice

Pleural cavity is required for optimal functioning of the lungs during breathing. Which of the following animals lacks pleural cavity?

  1. Dog

  2. Horse

  3. Elephant

  4. Rhinoceros

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Elephants lack pleural cavity/space. In elephants, the parietal and visceral pleura are joined to each other via loose connective tissues.