Are urination and excretment a kind of excretion?
What is the definition of excretion?
Can you give me some examples?
Are urination and excretment a kind of excretion?
2006-11-23 5:28 am
回答 (1)
2006-11-23 5:32 am
✔ 最佳答案
Excretion is the removal of metabolic waste.
收錄日期: 2021-04-13 13:41:43
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