Q. Any abnormality related to rhythm and conduction of heart can be diagnosed with help of

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Q. Capacity to identify foreign invaders and take actions with help of cells to remove that foreign invader with effectiveness, is termed as

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Q. Double membranous sac which encloses a human heart is called as

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Q. Veins collects blood from body and send it to

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Q. All hormones move in body via blood and

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Q. Rhythmic contraction of heart is controlled by

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Q. If any artery which is supplying blood to brain leaks or discharges blood burst, such artery is called

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Q. At high temperatures, mesophyll cells release a hormone called

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Q. Exchange of gases in bark of plants Is attained by help of

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Q. Necrosis following death of surrounding neural tissues in blood vessels in brain can block and leads towards

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Q. Vein which collects blood from liver is known as

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Q. When a person becomes ill due to infection and survives, this activity is called

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Q. Passive immunity is developed by injecting antibodies in form of

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Q. Animals maintains concentration of salts and water in their body by adopting

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Q. Red blood is formed at

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Q. Process of flow of sap from injured or cut parts of plant with a considerable force is called

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Q. Fishes heart work only in one direction thus called

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Q. Busra of Fabricius is found in wall of cloacae opening of young bird which proved role of it in

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Q. Electrical impulses are sent to atrial muscles to contract both

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Q. Blood vessels which carry blood away from heart are known as

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