1. the process of eliminating waste products from the body through urine, sweat, or feces
Usage: biological process
2. waste matter eliminated from the body
Usage: often refers to urine or feces

Examples

• The kidneys play a vital role in excretion by filtering waste from the blood.
• Sweat is one form of excretion that helps regulate body temperature.
• Plants also undergo excretion, releasing oxygen and other substances through their leaves.
• Proper hydration supports healthy excretion of toxins from the body.
• The excretion of excess salt helps maintain the body's fluid balance.
• In biology class, we studied how different organisms handle excretion differently.