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

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

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Name the smallest bone of the human body.

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

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What are the principal types of reproduction?

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

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What are gonads? Describe the role of hormones secreted by gonads.

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To which part of ear, the tympanum belongs?

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Write a brief account on fertilization and development in rabbit.

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

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Explain the parts and functions of human brain.

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What are the reasons of deafness?

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

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Describe briefly parathyroid glands and their functions

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Define neuron and describe the structure of a general neuron.

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What is tetany? What is the cause of tetany?

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Differentiate between cranial and spinal nerves.

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Identify the types of coordination in living organisms.

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Write a detailed account on sexual reproduction in flowering plants.

asked Sep 6, 2017 in Biology by sonia (36.5k points)

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How an owl is able to see in dark?

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Describe the structure and functions of spinal cord. Spinal Cord

asked Sep 5, 2017 in Biology by shamroz (41.5k points)

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Which kind of muscle contract without any conscious message from the brain?

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

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What is kidney failure? Describe the reasons of renal failure.

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Enlist various endocrine glands found in human,

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Write an account on tissue culture and cloning in plants.

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