tubules that lies more or less in the haemocoel, which open into alimentary canal.
Functions:
(a) They absorb nitrogenous waste products.
(b) They convert the nitrogenous waste products into
uric add which is excreted out.
tubules that lies more or less in the haemocoel, which open into alimentary canal.
Functions:
(a) They absorb nitrogenous waste products.
(b) They convert the nitrogenous waste products into
uric add which is excreted out.