The kidneys resemble the contractile vacuoles of protozoans in
A. expelling out excess of water
B. expelling out glucose
C. expelling out urea and uric acid
D. expelling out salts
Answer:A
The kidneys resemble the contractile vacuoles of protozoans in
A. expelling out excess of water B. expelling out glucose C. expelling out urea and uric acid D. expelling out salts