Yes if you have to much of a certain medicine or alcohol it could qive you a bad infection and possibly kill you.
blood blood blood
Yes, spiders do have blood, but it is not always visible when you kill them because their blood is clear or light-colored.
No. That is not possible. It will kill you. You have to replace blood for blood loss.
No pit bulls will not try to kill if they tasted blood unless their owner tells him or her to kill.
No.
If you mean blood clots? then they are not and they kill people
white blood cells in the blood
White blood cells kill bacteria by absorbing and killing the bacteria by digesting it with digesting enzymes.
To get, "First Blood" in Black Ops, you have to kill someone before anyone else gets the first kill.
Well vampires love blood and people to kill for blood
Yes Why Do You Think They're Called Blood Worms
-White blood cells White blood cells are like policemen in bloodstream. They are constantly on patrol for infected cells. (Yes; they usually eat them -aka kill them.)