NON-SPECIFIC DEFENCES Blood clotting is a homeostatic response. When clotting is poor, even a slight injury to a blood vessel may lead to severe blood loss. When clotting is excessive, small blood vessels in critical places in the body can become clogged leading to clots. Excessive bleeding or excessive clotting both can be dangerous. 4.- Describe the main stages in the formation of a blood clot and evaluate the importance of specific factors example platelets, vitamin K, air and blood proteins Using the titles provided in the bullet points below; ● Injured tissue - exposure of endothelial cells Narrowing (constriction) of blood vessels ● Activity of platelets • Activity of clotting factors You may want to include diagrams to help you explain. (200 words)

NON-SPECIFIC DEFENCES Blood clotting is a homeostatic response. When clotting is poor, even a slight injury to a blood vessel may lead to severe blood loss. When clotting is excessive, small blood vessels in critical places in the body can become clogged leading to clots. Excessive bleeding or excessive clotting both can be dangerous. 4.- Describe the main stages in the formation of a blood clot and evaluate the importance of specific factors example platelets, vitamin K, air and blood proteins Using the titles provided in the bullet points below; ● Injured tissue - exposure of endothelial cells Narrowing (constriction) of blood vessels ● Activity of platelets • Activity of clotting factors You may want to include diagrams to help you explain. (200 words)

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter44: The Circulatory System

Section: Chapter Questions

Problem 3TYK

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