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2007-03-16 07:18:40 · 4 answers · asked by Anonymous in Science & Mathematics Biology

4 answers

Prothrombin, and it works in the presence of vitamin K.

2007-03-16 07:26:44 · answer #1 · answered by tranquil 6 · 1 0

Vitamin K: Helps the blood clot when the body is injured.

2007-03-16 16:13:56 · answer #2 · answered by Diamond in the Rough 6 · 0 0

i think it is heparin which is a component of blood

2007-03-16 14:31:55 · answer #3 · answered by Anonymous · 0 0

heparin

2007-03-17 02:10:39 · answer #4 · answered by bad guppy 5 · 0 0

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