17. During accidents, victims loose a lot of blood. This excessive loss of blood can be...
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17. During accidents, victims loose a lot of blood. This excessive loss of blood can be rectified by blood transfusion, in which blood from one person is transferred to the patients blood system. The table below shows the interrelationship between different blood groups. a) Complete the table Group A B and AB Donor Recipient A, AB, B, O b) A person of blood group B marries a woman of blood group B. Work out the possible blood group of their children. 4mks c) It is estimated that the total length of the capillaries in man is 60km. They are much branched, thin walled and narrow. Explain the significance of these features. 5mks d) With the aid of well labelled diagram, explain how blood circulates in the mammalian heart. 7mks 17. During accidents, victims loose a lot of blood. This excessive loss of blood can be rectified by blood transfusion, in which blood from one person is transferred to the patients blood system. The table below shows the interrelationship between different blood groups. a) Complete the table Group A B and AB Donor Recipient A, AB, B, O b) A person of blood group B marries a woman of blood group B. Work out the possible blood group of their children. 4mks c) It is estimated that the total length of the capillaries in man is 60km. They are much branched, thin walled and narrow. Explain the significance of these features. 5mks d) With the aid of well labelled diagram, explain how blood circulates in the mammalian heart. 7mks
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Related Book For
Fundamentals of Thermodynamics
ISBN: 978-0471152323
6th edition
Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen
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