Q. Arteries have thick elastic walls so that they can maintain the

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Q. Aorta divides to form

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Q. Growth of uterin lining of embryo is controlled by

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Q. The moulting in caterpillars is controlled by

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Q. Adrenaline hormones prepare the body for state of

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Q. Nervous control may be voluntary or involuntary but harmonal control always

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Q. Human nervous system is localized as it may affect

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Q. Hormones are transported by blood and impulses transmitted by

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Q. When JH amount falls below a certain level, the larva turns into

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Q. Moulting is shedding of

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Q. If usage of oxygen increases, more energy available, it may cause

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Q. Hormones are produced by endocrine gland and transported towards

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Q. Type 1 diabetes occur in humans at age

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Q. Cretinism is caused by

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Q. Over production of thyroxine during frog development mau increase the rate of

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Q. Abnormal decrease in blood sugar concentration is caused due to oversecretion of

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Q. The pancreatic juice is carried by pancreatic duct to

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Q. When the bronchioles relexes the rate of air towards the lung will

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Q. The pituatary gland act as a

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Q. Insulin is produced by

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