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Explain the parts and functions of human brain.

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What is structural and functional unit of kidneys?

asked Sep 4, 2017 in Biology by shamroz (41.5k points)

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What is the source of energy for muscle contraction and why do muscles contain many mitochondria?

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Write an account on formation, symptoms and treatment of stones kidney.

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Along with the excretion, kidneys also play role in osmoregulatipn.

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What do you mean by feedback mechanism?

asked Sep 6, 2017 in Biology by shamroz (41.5k points)

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How many groups of plants are there on the basis of osmotic adjustment? How osmotic adjustments occur in them?

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Describe briefly parathyroid glands and their functions

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Give an example of stimulus response in plants.

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How sympathetic nervous system helps prepare for "fight or flight'response?

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What is a hormone? What is its role in animals?

asked Sep 5, 2017 in Biology by sonia (36.5k points)

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How do the plants secrete calcium oxalate from their body?

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What do you meant by STDs?

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What type of lens is present in eye? Biconcave or biconvex?

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What do you mean by homeostatsis? Why is it necessary?

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Differentiate between cranial and spinal nerves.

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Explain, how epigeal and hypogeal germinations are different?

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Why the eyes of cats and dogs shine in the night?

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What is AIDS? Write down the cause and mode of transmission of AIDS?

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How does skin play its role in homeostasis?

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