ปัสสาวะ
Acknowledgements
Image source
https://pixabay.com/th/photos/%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A8%E0%B8%B6%E0%B8%81%E0%B8%A9%E0%B8%B2-%E0%B8%A0%E0%B8%B2%E0%B8%8A%E0%B8%99%E0%B8%B0%E0%B8%9B%E0%B8%B1%E0%B8%AA%E0%B8%AA%E0%B8%B2%E0%B8%A7%E0%B8%B0-%E0%B8%9B%E0%B8%B1%E0%B8%AA%E0%B8%AA%E0%B8%B2%E0%B8%A7%E0%B8%B0-1006795/