Focus on how 'excretory' refers to the removal of bodily waste, not just any waste. The excretory system ensures that toxins do not accumulate in our bodies.
Pro Tip 2/3
Academic Context
Understand that 'excretory' appears mostly in scientific or biology-related academic discussions. In our biology class, we are studying excretory systems of different animals.
Pro Tip 3/3
Specific Systems
Recognize that 'excretory' often describes specific parts within an organism, like 'excretory organs'. The liver is an important excretory organ in many animals.