Question

what is the main function of white blood cells? a to fight germs b to absorb substances into cells c to supply cells with energy d to even out concentration gradients

Explanation:

White blood cells are a key part of the immune - system. Their main role is to defend the body against pathogens like bacteria, viruses, and other germs. Absorbing substances into cells is more related to cell membrane functions, supplying cells with energy is mainly the job of processes like cellular respiration and energy - carrying molecules, and evening out concentration gradients is related to diffusion and osmosis processes.

Answer:

A. To fight germs