Q. Cold blooded animals do not have a constant level of

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Q. Milk glands are modification of

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Q. As a result of vasodilation skin receives more

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Q. Under the dermis, several layers of adipose tissue for storage of

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Q. Less amount of heat will be lost as the sweat glands are

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Q. Arterioles in the skin allow more blood to flow through skin by

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Q. The large size of ears of elephant gives

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Q. Fur is absent in whale as it lives in

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Q. The skin hair grow inside a hollow tube called

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Q. The fibrous connective tissue are present in

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Q. When dogs sweat heavily, their wet foot prints can be seen as they have

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Q. Sebum, a sebaceous gland, keeps the skin soft and

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Q. Some of the mammal scan change the colour of their fur during

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Q. The process of tissue respiration is more active in muscles and lesser in

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Q. The granulur layer of epidermis consist of cells

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Q. The hypothalamus portion of brain acts as centre for regulation

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Q. On a warm day, sweat glands will be

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Q. Crocodiles lie in the warm tropical sun at the

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Q. The dorsal root of spinal nerves contain only

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Q. The relaying neurons of spinal cord conduct impulse from receptor nerve fibers to

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