如題....thx
但不要在yahoo 字典的answer
egestion 同 excretion 有咩分別 ?
2006-11-05 5:14 am
回答 (1)
2006-11-05 5:35 am
✔ 最佳答案
excretion= removal of METABOLIC wasteegestion= removal of UNDIGESTED waste
METABOLIC waste is produced from body chemical reactions which include the follows:
respistion (carbon dioxide)
sweating (sweat)
urination (urine)
UNDIGESTED waste is the substance that is not digested (eg celluose)
參考: my biology teacher
收錄日期: 2021-04-20 01:06:41
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061104000051KK04952