Afunction of another type of white blood cell is to
(1) prevent the loss of blood from a wound
(2) produce specialized molecules that mark invaders
(3) increase the number of red blood cells in the blood
(4) cause gene mutations that will increase immune responses

2) produce specialized molecules that mark invaders

Explanation:

White blood cells are primarily in charge of marking and getting rid of invaders/viruses as they enter the body.

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explanation:

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not sure if this what   you'r looking for would be percent composition