Answer: A. Prothrombin is converted into thrombin which acts on fibrinogen.
Explanation:
Prothrombin is a protein which is converted into thrombin through a blood clotting factor that is known as factor X or prothrombinase.
Thrombin then transform the fibrinogen protein into fibrin threads. The fibrin thread acts like a wire mesh to trap the blood cells and forms a scab or clot. This entire process is called as coagulation.
Muscle its to cover the bones and make a shape,and to protect blood systems
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I believe the answer would be false as exercise lowers blood pressure, not increases it.
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Prenatal care is always necessary in order to keep your healthy baby healthy even if there are no complications, good and consistent prenatal care can help prevent later complications.
