It could be both natural and artificial. Humoral immunity : This immunity offers the mediation of antibody functions , found in blood and the mucosal secretions. Passive immunity is limited and diminishes over time (usually a few weeks or months). STUDY. Naturally acquired active immunity occurs when the person is exposed to a live pathogen, develops the disease, and becomes immune as a result of the primary immune response. Active immunity is mediated by humoral immunity and cell-mediated immunity and their components. 2. Definition: The protective immunity in which the individual’s own immune system is stimulated to produce antibodies and lymphocytes. Active immunity: It is the inherited immunity. A prominent difference between active and passive immunity is that active immunity is developed due to the production of antibodies in one’s own body, while passive immunity is developed by antibodies that are produced outside and then introduced into the body. Write. However, passive immunity is short-lived because the antibodies are not continually replenished as they would be in an individual whose immune system is responding directly. When the antigen gets attacked, the cells in the immune system gradually active and involved in immune response. mara-kagawa. The acquired immunity against a particular microbe may be induced by the host’s response to the microbe or by the transfer of antibodies or lymphocytes specific for the microbes. Active immunity is in contrast to passive immunity which results from the transfer to an individual of antibodies produced by another individual. Difference between active and passive immunity For instance, the fetus receives antibodies from the mother through the placenta. The main difference between Active and passive immunity is that active immunity is produced actively by the immune system of the host. Exposure to Antigen Flashcards. The individual is protected from the disease all their life. Test. Match. A newborn baby acquires passive immunity from its mother through the placenta. Active immunity is being produced by clonal selection and expansion, whereas passive immunity takes place only when antibodies produced artificially are being injected within any person for counteracting the antigens like tetanus toxin, rabies or even snake venom. Passive Immunity. PLAY. The immunity in which a person receives antibodies or lymphocytes that have been produced by another individual’s immune system. Passive immunity: Get immunity from outside by injecting vaccines or antibodies. Learn. Spell. (Similarities and Differences between Active and Passive Immunity) The acquired immunity is the immunity acquired by an organism during its life. Gravity. Active Immunity: Passive Immunity: 1. Terms in this set (6) active immunity. active natural. Passive immunity is provided when a person is given antibodies to a disease rather than producing them through his or her own immune system. 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