Question

Fill in the blanks with appropriate words.
Kidney of a mammal resembles contractile vacuole of amoeba in expelling out..........

Answer 1

Contractile vacuoles are responsible for maintaining homeostasis by osmoregulation. It is a membrane-enveloped cellular organelle found in many microorganisms that periodically expands, filling with water, and then contracts to expel its content to the cell exterior. Its function is analogous to the kidney.

So the correct excrete water ( or cellular content).