Biology for IGCSE & O level - Transport In Animals (Section 7 - No. 41)
What is the correct order of events in blood clotting?
Fibrin is formed, platelets release substances, and a scab is formed.
Platelets release substances, fibrin is formed, and a scab is formed.
A scab is formed, platelets release substances, and fibrin is formed.
Fibrin is formed, a scab is formed, and platelets release substances.
Explanation
Platelets release substances which cause fibrin to form, which then results in a scab forming.
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