Class XII Biology - Respiration and Circulation : Pumping action of heart, Conducting tissue ofheart

Class XII Biology - Respiration and Circulation : Pumping action of heart, Conducting tissue of heart and Conducting System of heart.

The characteristics of White Pumping action of heart, Conducting tissue of heart and Conducting System of heart is explained in detail.

For better understanding watch previous session in the link below:

   • Class XII Biology - Respiration and C...  

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