Oh no! Kace just knelt on a nail while gardening. Unfortunately, the bacteria is already in her bloodstream, as it took her a minute to notice it was there.
bacteria
The macrophages start eating the bacteria, but they are only able to eat so much. They send the information of what they ate to t-helpers, who can identify the problem and get b-cells on the scene by sending cytokines to warn the body.
bacteria
bacteria
bacteria
macrophage
macrophage
t-helper
t-helper
b-cell
b-cell
b-cell
bacteria
b-cell
b-cell
b-cell
b-cell
bacteria
b-cell
The b-cells arrive, but only 1 of them has the right antibody to fight this bacteria, That certain antibody duplicates itself, then starts attaching itself onto the bacteria.
b-cell
bacteria
b-cell
b-cell
The macrophages have returned after being sent for by cytokines. They attack and kill the b-cell-attached-bacteria, helping stop infection.
bacteria
macrophage
b-cell
b-cell
bacteria
b-cell
b-cell
macrophage
bacteria
b-cell
The b-cells also remember this bacteria for later so they can stop infection quicker next time.