• 2022-05-27
    Immune defense means that the body can ()
    A: resist to invasion of pathogens and neutralize their toxic products
    B: exclude the aging and injuried cells and keep the balance of inner
    environment
    C: surveil and clear transformed cells inside the body
    D: present unresponsive state to antigenic foreign substances
    E: present unresponsive state to self antigenic