question_answer 1)

Answer the following (a) What is the function of nephridia? (b) How many types of nephridia are found in earthworm based on their location?

Answer:

(a) The function of nephridia The nephridia regulate the volume and composition of the body fluids. The nephridium starts out as a funnel that collects excess fluid from coelomic chamber. The funnel connects with a tubular parts of the nephridium, which delivers the wastes through a pore to the surface in the body wall in the digestive tube. (b) Based on their location, there are three types of nephridia in earthworm. • Septal nephridia. • Pharyngeal nephridia. • Integumentary nephridia.