Q. Impulses which trigger heart beat are maintained by

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Q. Agranulocytes are produced in

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Q. Regulation of potassium is achieved in plants due to opening and closing of

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Q. Lymph capillaries join together forming larger lymph vessels, which give rise to

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Q. During process of exosmosis, protoplast shrink which is termed as

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Q. Ions in apoplast path way are further prevented for progress by

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Q. Clot facilitate an injury by covering it to prevent further bleeding until damaged tissue can be

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Q. Inferior venacava and superior venacava collect blood from body and pour in heart's

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Q. Transport of deoxygenated blood from right ventricle to lungs is done by

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Q. Lymph nodes are found in

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Q. Active transport depend on

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Q. B-lymphocytes is name given due to relationship with

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Q. Flaps of tricuspid valve are attached to fibrous cords called

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Q. When capillaries join together, they form

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Q. All vertebrates possess

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Q. Planaria has no body cavity, instead it have mesechyme layer of cells which are loosely packed between ectoderm and endoderm, hence called

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Q. Percentage of plasma in human blood is about

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Q. Water potential of a pure water is equal to

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Q. Platelets are large cells which are in form of fragments are called as

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Q. Cell wall components donot dissolve in water and instead increase in

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