Explain about coagulation of blood
Answers
. Blood usually contains a special type of cells called thrombocytes(aka platelets) which are responsible for coagulation
. If the blood vessels are opened or incisioned it triggers the production of thromboplastin which is responsible for activating the inactive form of fibrinogen to fibrin
.The fibrin now produced forms a mesh like structure around the wounded or opened area of the blood vessels
.Now ,the cells(R.B.C's ,W.B.C's and platelets ) get trapped and acts as a barrier and thus prevents further blood loss.
.Absence of vitamin k ,results in haemophilia which can be traced in the continual tranmission in the royal family
Answer:
When there is an injury in the body, the injured tissue cells and platelets release thromboplastin (or thrombokinase). The inactive prothrombin then is converted into active thrombin by the calcium () ions. The activated thrombin now converts the soluble fibrinogen in the blood to insoluble fibrin. The fibrin and the erythrocytes (red blood cells ) then form a clot on the injured part.
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