Blood flow will increase in the area after Gertrude was bitten by a spider and the bite is about to swell up. Hence, option B is correct.
What is an immune system?an intricate system of organs, tissues, and the substances they produce that aids the body in fighting disease and infection. White blood cells, as well as lymphatic organs and tissues such as the thymus, spleen, tonsils, lymph nodes, lymphatic veins, and bone marrow, are components of the immune system.
Innate, adaptive, and passive immunity are the three types that exist in humans. innate defense: Innate (or natural) immunity is a form of all-encompassing defense that is present from birth. The skin, for instance, serves as a barrier to prevent pathogens from entering the body.
Blood flow will increase in the area after Gertrude was bitten by a spider and the bite is about to swell up. Hence, option B is correct.
Learn more about the immune system, here:
https://brainly.com/question/19843453
#SPJ2