Question

Describe the mechanism of blood clothing

Answer 1

Answer:

hey mate refer to above attachment

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Answer 2

Answer:

Here’s how the process works:

• Injury

A small tear in a blood vessel wall (for example, from a cut on the skin or an internal injury) causes bleeding.

• Vessel constriction

To control blood loss the blood vessel narrows (called constriction), thus limiting blood flow through the vessel.

• Platelet plug

In response to the injury, tiny cells in the blood called platelets are activated. The platelets stick to one another and to the wound site to form a plug. The protein von Willebrand factor (VWF) helps the platelets stick to each other and to the blood vessel wall.

• Fibrin clot

Next, clotting factor proteins trigger production of fibrin, a strong, strand-like substance that forms a fibrin clot, a mesh-like net that keeps the plug firm and stable. Over the next several days to weeks, the clot strengthens and then dissolves as the wounded blood vessel wall heals.

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