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Why is heart known as the pumping organ of the human body?
Does transpiration serve any useful function in the plants? Explain.
Explain stomata and its function in plants.
How do plants absorb water and minerals from soil?
What is the function of RBCs?
What is pulse?
Explain pulse and pulse rate.
Why walls of veins are thinner than the walls of arteries?
What is the significance of dividing heart into different chambers?
Write the two functions of kidneys.
State one function of the following:
Capillaries
What do you mean by dialysis? Explain.