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