One Mark Questions
- most leaves have the upper surface more green and shiny than the lower ones. Why?
- how are alveoli designed to maximize the exchange of gases?
- write differences between Systole and Diastole.
- we people have very less awareness about organ donation, to motivate people write slogans about organ donation.
- how does digestive system coordinate with circulatory system?
- draw the recycling logo.
- prepare slogans to promote awareness in your classmates about eco friendly activities.
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