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What are the general functions of blood ? |
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Answer» The general functions of blood are : (i) Transport of Food Materials: Blood transports the digested food from the alimentary canal to the different body cells. (ii) Transport of Respiratory Gases: Oxygen is carried from the respiratory organs to the tissues and carbon dioxide from the tissue to the respiratory organs by blood. (iii) Transport of Hormones : Hormones are carried by blood from the endocrine glands to the places of use. (iv) Transport of Excretory Matter : Blood transports the excretory matter to the kidneys or other excretory organs. (v) Transport of Heat and temperature regulation : Blood allows the transfer of heat from the deeper tissue to surface of the body where it can be lost and this help in temperature regulation. (vi) Defence against infection : Some white blood corpuscles are phagocytic in action, however certain white blood corpuscles produce antitoxins to neutralize the toxins released by the foreign germs. |
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