An immune system can be altered.Logical formLearned from9 sentences. A role can be in an immune system.Logical formLearned from9 sentences. A class can be constituted-of-or-filled-with immune cells.Logical formLearned from9 sentences. An immune response can be decreased.Logical formLearned from9 sentences. An immune response can be to antigens.Logical formLearned from9 sentences. Immune systems can be biological.Logical formLearned from9 sentences. A battle may pertain-to an immune system.Logical formLearned from9 sentences. An immune system may attack nerves.Logical formLearned from9 sentences. Immune responses may undergo a generation.Logical formLearned from9 sentences. An immune system may pertain-to a person.Logical formLearned from9 sentences. A person can be immune to rubella.Logical formLearned from9 sentences. Bacteria can be immune to antibiotics.Logical formLearned from9 sentences. Immune cells can be infected.Logical formLearned from9 sentences. Immune cells may be knowned as macrophages.Logical formLearned from9 sentences. An injury can be immune.Logical formLearned from9 sentences.