Excretory Organ (Noun)
Meaning
An organ that separates waste substances from the blood and discharges them.
Classification
Nouns denoting body parts.
Examples
- The primary function of the kidney is to act as an excretory organ that filters waste and excess fluids from the bloodstream.
- Many animals use their liver and kidneys as excretory organs that remove waste from the body.
- The skin can also function as an excretory organ by eliminating waste products through sweat.
- Some invertebrates like starfish have water vascular systems with an excretory organ called a pyloric gland that aids in their excretion process.
- The excretory organ of flatworms is called a protonephridium that is effective for the physical environment in which they live.