The correct option is (A) Mantle cavity
In mollusks, the lungs are situated in the mantle cavity.
Are lungs present in Mollusca?
- The ctenidia and lungs, or pulmonary sacs, are the principal respiratory organs found in molluscs. Typically, the mantle and outer layer of the body serve as auxiliary respiratory organs.
- The simplest sort of respiratory structure discovered in molluscs appears to be their skin. The mantle cavity is filled with water to help the gills take in oxygen.
- The animal excretes waste into the mantle cavity, where it is pumped by the anus and excretory pores into the aquatic environment.
- Additionally, gametes are discharged into the mantle cavity, where they are dispersed by the dripping water.
Learn more about the Phylum Mollusca with the help of the given link:
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