The straw ________ fluid portion after the formation of the blood clot is serum. Vitamin K helps in the ______of blood.

Fill in the blanks:

The straw ________ fluid portion after the formation of the blood clot is serum.

Vitamin K helps in the ______of blood.

The straw yellowish-colored fluid portion after the formation of the blood clot is serum.

Vitamin K helps in the coagulation of blood.