Top 2 Types of Respiration in Mollusca | Zoology
The following points highlight the top two types of respiration in mollusca. The types are: 1. Aquatic Respiration 2. Terrestrial Respiration. Type # 1. Aquatic Respiration: In this, O2 dissolved in water is used. The surface of the respiratory structure is greatly increased to allow rapid absorption of O2. The aquatic respiratory structures may be placed under two heads—primary and [...]