[Campbell Biology P.753] What is the primary respiratory organ of an earthworm, as described... | Practice Question

What is the primary respiratory organ of an earthworm, as described in the text?

  • A: Lungs
  • B: Gills
  • C: Skin
  • D: Metanephridia

Explanation

The text states: 'Tiny blood vessels are abundant in the earthworm's skin, which functions as its respiratory organ.'