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. – 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 Injured tissue – exposure of endothelial cellsNarrowing (constriction) of blood vesselsActivity of plateletsActivity of clotting factors

when blood is clotted at the site of injury the blood holds to the skin and bleeding is stopped.The…

Answered: Blood clotting is a homeostatic…

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter11: The Blood

Section: Chapter Questions

Problem 8RE

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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.

– 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

Injured tissue – exposure of endothelial cells
Narrowing (constriction) of blood vessels
Activity of platelets
Activity of clotting factors

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