O blood has no<span> antigens and is referred to as </span>universal donor blood<span>, so that </span>will<span> not cause a reaction. So, a </span>person<span> with </span>AB blood has<span> all of the antigens that are possible, and an O negative </span>person has no<span> antigens that would cause a reaction.</span>
Some of the main functions of skin cells are to provide protection, perceive and transmit sensation, control evaporation and regulate temperature.<span> Skin cells, which are epithelial cells, are also self-repairing and reproduce quickly.</span>
The answer would be green moon