During an _______ infection, the immune system kills the infected cells in order to help eliminate the infection.

Which of the following cells can be found circulating through the blood and lymph?

What cell(s) specialize in the function of capturing, engulfing, and killing of microorganisms?

Macrophage-like immune cells found in the brain are called ______ and in the liver they are called ______.

Of the physical barriers of the human body, the skin barrier is more vulnerable than the mucosal barrier.

Which two regulatory proteins work together to cleave C3b into iC3b in order to avoid the formation of the C3 convertase?

Like B-cells that secrete their BCR’s, T-cells can also secrete their TCR’s.

Inflammation only results due to infections caused by pathogens.

The classical complement cascade can only be activated after antibodies bind to a pathogen.

Mature T and B cells can travel through