Immune Sytem

Match it! Select the correct answer from the pull down...Good luck!

Bacteria and dead cells are removed from circulatory fluid in the

Which substances may form in the human body due to invaders entering the blood?

A vaccine used against an infectious disease may contain

What is a major difference between red blood cells and white blood cells?

Certain microbes, foreign tissues, and some cancerous cells can cause immune responses in the body because all three contain

A person given an injection containing only antibodies would most likely develop

A protein on the surface of HIV can attach to proteins on the surface of healthy human cells. These attachment sites on the surface of cells are known as

Human blood types in the ABO blood group are identified by