in this video we are studying class 7 science chapter 6 respiration in organisms, in this chapter we have to study topics like why do we need to respire?, what is breathing, breathing rate, inhalation and exhalation, how do we breathe, breathing in other animals, breathing under water and other topics.
Respiration in Organisms - Class 7 Science Chapter 6 [Full Chapter]
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20 авг 2024