It would be a I'm pretty sure I found that out online
Answer:
las respuesta es la letra: b
The two types of adaptive immune are humoral immunity and cell-mediated<span> immunity, the </span>Rejection during organ transplantation is caused by the immune system response to alloantigens on the graft. From species to species and person to person, proteins are different and perceived as a foreign intruding object by the body. It is essentially an immunological response, where the antibodies produced by B and T lymphocytes attack the graft or organ.
Substance abuse such as drugs, alcohol and tobacco, family problems such as domestic violence and abuse, social problems such as peer pressure, bullying, and exclusion, and so many other environmental reasons, but substance abuse, family dysfunction and social problems are the common reasons why.