EXERCISE 84 



Gather material for completing the table below with suitable sketches or statements of fact ; select 

 four types of animals besides those named. 



SIX TYPES OF EXCRETORY ORGANS 



LOCATION IN BODY 



NAME OF ORGAN 



STRUCTURE OF ORGAN 



How THE ORGAN WORKS 



1. Paramecium 



Contractile vacuole 



2. 



5. 



6. Mammal (man) 



Kidney with glomerules 



[90] 



