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

I am cooked on steam. Who am I?

I am like a policeman. Who am I____?

I am the outer most layer of an animal cell. Who am I?

I collect blood form the bldy parts. I have velves and blood pressure is low. 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 supporter and protector of the plant cell. Who am I?

Who am I? I am the base of food chain

I am the state tree of Tamilnadu.Who am I____?