<span>Animalia -</span><span> Mammals, amphibians, reptiles, birds, fish, mollusks, and insects
are all included in this kingdom.</span>
Different types of blood contact different kinds of antigens and antibodies. For example, Type A blood has A antigens and B antibodies, antibodies being the thing that fights B antigens. Type B blood has B antigens and A antibodies. So if someone with type B gets transfused with Type A blood, the person's antibodies will attack the new blood.
