I am a part of blood. I am responsible for blood coagulation. Who am I?

I am a vitamin. I am present in green leafy vegetables and milk. I am responsible for blood clotting. Who am I ?

I am the middle man of the bldy. I help in assimilation of digested food. I am responsible for causing edema. Who am I?

I am an enzyme. I secreted from the blood platelets. I start the process of blood coagulation. Who am I?

I am the pargest artery of our body to supply platelets. I start the process of blood coagulation. Who am I?

I am a component of food required for body building. Who am I?

I am a part of brain. I am the site of mental abilities and memory. Who am I ?

I am cooked on steam. Who am I?

I am a vitamin. I am resphonsible for normal growth of the body. My deficiency leads to night blindness, and xerophthalmia. Who am I ?

I am an anticoagulant of blood. I can stop the clotting of blood inside the blood vessels. Who am I?

I am a hormone. I help in th e formation of concentrated urine. Who am I?