poonchengmoh
About Me
cikgubio
My name is Poon Cheng Moh. I have been teaching biology in SMK(P) Raja Zarina, Port Klang for 26 years. I sincerely hope that this blog on SPM Biology will be useful to both teachers and students.
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Monday, January 27, 2014
Heart beat animation
How Blood flow through the heart
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