Cells may bear a resemblance to a human being.Logical formLearned from34 sentences. (Stem cells) may be extracted from embryos.Logical formLearned from34 sentences. (Animal cells) may have an effect.Logical formLearned from34 sentences. Scientists may overcome a problem of (tissue rejection) by using (stem cells).Logical formLearned from34 sentences. Some scientists may avoid work with human cells.Logical formLearned from34 sentences. A metabolism may pertain-to a cell.Logical formLearned from34 sentences. Cells can be errant.Logical formLearned from34 sentences. Cells may pertain-to an individual.Logical formLearned from34 sentences. (Nerve cells) may pertain-to a person.Logical formLearned from34 sentences. (Nerve cells) can be healthy.Logical formLearned from34 sentences. (Stem cells) may be extracted from human embryos.Logical formLearned from34 sentences. A portion may pertain-to a cell.Logical formLearned from34 sentences. Reproductive cells can be male.Logical formLearned from34 sentences. Cells can be from persons.Logical formLearned from34 sentences. (Stem cells) may divide.Logical formLearned from34 sentences.