What is the functions ofnephridia?

cbse
organisation-animals

#1

Answer the following
(i) What is the functions ofnephridia?
(ii) How many types ofnephridia are found in earthworm based on their location?


#2

(i) Nephridia are the organs of excretion and osmoregulation in earthworms and other
annelids.
(ii) Three types of nephridia are, i.e., pharyngeal nephridia (in segments 4 to 6), septal nephridia anterior and posterior surfaces of all the septa behind the segment 15 and integumentary nephridia attached to inner body surface of all segments except the first two.