Which of the following is an air-filled internal organ found in the mantle cavity of land snails and slugs?
A) Lung
B) Trachea
C) Gills
D) Spiracle
E) Pore

Question

Which of the following is an air-filled internal organ found in the mantle cavity of land snails and slugs?  
A) Lung
B) Trachea
C) Gills
D) Spiracle
E) Pore

Quizplus · Accepted Answer

Land snails and slugs have evolved to breathe air and their mantle cavity contains a specialized respiratory organ called a lung, which allows them to extract oxygen from the air. The other options (B) Trachea, (C) Gills, (D) Spiracle, (E) Pore are not present in the mantle cavity of land snails and slugs, and are typically associated with other types of respiratory systems.

Which of the Following Is an Air-Filled Internal Organ Found