Immune System

What is the body's first line of defense against infection by foreign organisms?

Disease-causing microorganism, such as a bacterium or virus.

A nonspecific defensive response of the body to tissue injury characterized by dilation of blood vessels and swelling.

Which of the following is not apart of your body’s first line of defense?

What do memory cells do?

This type of cell inspects cells for antigens and kills any cells that display the foreign antigens.

What do antibodies attach to on the pathogen?

What do B cells produce?