How is the body able to recognize that transplanted organs are foreign?

What mineral when added to water is believed to provide protection for children's teeth? How does low blood sugar affect unborn baby? Parkinson disease is the result of? How can you tell if Endometriosis has spread to your shoulder? Can a o positive person give an 0 negative person a kidney? What describes how lymph flows through the lymphatic system? How much do braces cost with Medicaid? The liver disease that causes portal hypertension with ascites is? Who was involved in maranda francisco's hemispherectomy? Is plan b safe to take if you have lupus? Is 107 platelets count dangerous? Need to pee but can't? Do muscles have untapped elastic energy that can increase strength and add to training gains? Can swallowing a penny harm a child? Short depressive periods and moods with no psychotic features? Why does stress occur? What is the part of the brain that coordinates your muscles so you can walk? What is the name of the muscles that places the palm upward? The type of calcium phosphate forming most of the inorganic salts in bone extracellular matrix is? When warts are frozen off do you have to get any shots?