D. Pathogen. :) I hope it right :)
Answer:the Peyer's patches are located at the distal portion of the small intestine
Explanation:
Peyer's patches are a group of lymphoid follicles found in the mucus membrane that lines the small intestine, usually the ileum which is the distal part of the small intestine.
Not sure check on yahoo answers
Drug addiction is a chronic disease characterized by compulsive, or uncontrollable, drug seeking and use despite harmful consequences and changes in the brain, which can be long lasting. These changes in the brain can lead to the harmful behaviors seen in people who use drugs. Drug addiction is also a relapsing disease. Relapse is the return to drug use after an attempt to stop.
