please suggest working models on any topic of the book

Asked by ankitmadan | 28th Jun, 2008, 05:48: PM

Expert Answer:

Working of heart, food chains in ecosystem, reflex arc, process of respiration, artificial kidneys, working of brain, transportation in plants are some of the topics on which working models can be made.

Answered by  | 28th Jun, 2008, 07:53: PM

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