Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: May 27, 2025
These are known as opsonins or alexins, and they act on the bacteria by a process comparable to narcotisation, and render them an easy prey for the phagocytes. Artificial or Passive Immunity. A form of immunity can be induced by the introduction of protective substances obtained from an animal which has been actively immunised. The most important of these antibodies are the antitoxins.
Word Of The Day
Others Looking