In ureotelic animals, urea is formed by
Ornithine cycle
Cori cycle
Krebs cycle
EMP pathway
The chief function of chloragogen cells in Megascolex is
storage of fat
excretion of water
secretion of digestive fluids
elimination of micro-organisms
The basic functional unit of human kidney is
Nephron
Pyramid
Nephridia
Henle's loop
