The name excretory (ek-skruh-TOHR-ee) system, however, is used for the principal system that collects and removes liquid waste.
(The name excretory (ek-skruh-TOHR-ee) system; is used; for the principal system) (the principal system; collects; ) (the principal system; removes; liquid waste)
The name excretory (ek-skruh-TOHR-ee) system the principal system the principal system
is used collects removes
for the principal system
liquid waste