How are platelets adapted to do their function?
humans blood contains platelets (trombosits), fibrinogen, Ca2+ ion and protrombins platelets which contacted to the rough surface of wound will be broken and release trombokinase enymes trombokinase enzymes reacted with Ca2+ ions and protrombins form trombin trombin reacted with fibrinogen and yield fibrin fibrin will close the wound.