Monoclonal antibodies to treat cancer. One way the immune system attacks foreign substances in the body is by making large numbers of antibodies. An antibody is a protein that sticks to a specific protein called an antigen.Antibodies circulate throughout the body until they find and attach to the antigen.ne way the immune system attacks foreign substances in the body is by making large numbers of antibodies. An antibody is a protein that sticks to a specific protein called an antigen. Antibodies circulate throughout the body until they find and attach to the antigen.
The average weight is 6 to 10 pounds, but king crab can grow to more than 20 pounds. Unlike other crabs, king crabs have only six legs versus eight legs, and two claws. The body or carapace section of king crabs is typically sent to canners while the legs are separated and served individually.
1 Adult pubic lice and eggs-an adult pubic louse is smaller than a match head; it is approximately 2mm long. 2  It has six legs and has a gray-brown color. 3  Its back legs are very large, and look like the claws of a crab. 4  The large back legs are used to cling onto the hair.