Changes

===Learning objectives===

===Learning objectives===

===Notes for teachers===

===Notes for teachers===

''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.''

Excretion in animals and Humans are similar in principle but the processes and the basic structures can different and very diverse depending upon the complexity of the animal and its basic structure. Students might have heard about kidney stones dialysis and connect it to their prior knowledge. Since dissection is no longer an excepted method of teaching biology so hand made models and teaching models will go a long way to make the student understand.

 

===Activity No # ===

===Activity No # ===

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