In this article we will discuss about Metridium:- 1. External Structure of Metridium 2. Internal Anatomy of Metridium 3. Histology 4. Feeding and Digestion 5. Muscular System 6. Nervous System 7. Respiration and Excretion 8. Reproduction. Contents: External Structure of Metridium Internal Anatomy of Metridium Histology of Metridium Feeding and Digestion in Metridium Muscular System […]