https://www.khanacademy.org/science/biology/human-biology/immunology/v/b-lymphocytes-b-cells 2023-08-17T23:33:36.770424498Z B lymphocytes (B cells) Learn about the role of B cells (B lymphocytes) in the humoral immune response. See how they are activated and produce antibodies that can recognize and bind to pathogens, leading to their destruction. The video also highlights the process of clonal selection and the importance of memory cells in immunity. Sal Khan video https://cdn.kastatic.org/googleusercontent/4uAr53XKz11ZXiHbaoTmaavAy57iqOOlTLYykIAdDsG46YHx5JFUvsDnqNrU7_JAelgE-ovNIKT4eQvExu4bfKY B lymphocytes (B cells) Learn about the role of B cells (B lymphocytes) in the humoral immune response. See how they are activated and produce antibodies that can recognize and bind to pathogens, leading to their destruction. The video also highlights the process of clonal selection and the importance of memory cells in immunity. https://cdn.kastatic.org/ka-youtube-converted/Z36dUduOk1Y.mp4/Z36dUduOk1Y.mp4 853 Active immunity and vaccination https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:disease-and-immunity/x2a084a90105205d2:active-immunity-and-vaccination/a/adaptive-immunity 2021-04-29T08:00:16Z Adaptive immunity article https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:disease-and-immunity/x2a084a90105205d2:active-immunity-and-vaccination/v/active-passive-immunity 2022-05-20T14:05:59.408880346Z Active & Passive immunity Let's explore what active immunity and passive immunity are. Khadijatul Qubra video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Active & Passive immunity Let's explore what active immunity and passive immunity are. https://cdn.kastatic.org/ka-youtube-converted/2EKIqr4T8Ng.mp4/2EKIqr4T8Ng.mp4 921 Active immunity and vaccination https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:disease-and-immunity/x2a084a90105205d2:active-immunity-and-vaccination/v/vaccination-the-world-of-microorganisms-grade-8-science-khan-academy-1080p 2026-04-20T05:10:45.627247989Z Vaccination-The World of Microorganisms Vaccination The World of Microorganisms Khan Academy Pakistan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Vaccination-The World of Microorganisms Vaccination The World of Microorganisms https://cdn.kastatic.org/ka-youtube-converted/QLwFOHQ1J4k.mp4/QLwFOHQ1J4k.mp4 581 Active immunity and vaccination https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:disease-and-immunity/x2a084a90105205d2:active-immunity-and-vaccination/e/active-and-passive-immunity 2026-04-07T23:17:37.123726494Z Active and passive immunity Active vs passive immunity exercise https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:disease-and-immunity/x2a084a90105205d2:active-immunity-and-vaccination/e/active-immunity-passive-immunity-and-immunisation 2026-04-07T23:17:37.123726494Z Active immunity, passive immunity, and immunisation Active immunity, passive immunity, and immunisation Moumita Sen exercise https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:disease-and-immunity/x2a084a90105205d2:active-immunity-and-vaccination/e/vaccination-and-immunisation 2024-08-15T06:51:54.562347673Z Vaccination and immunisation Vaccination, memory B and T cells, passive immunisation, recombinant DNA technology exercise https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:disease-and-immunity/x2a084a90105205d2:active-immunity-and-vaccination/e/lo-5-3-vaccination 2026-03-24T23:41:07.080866137Z Vaccination, Uses of micro-organisms and Vaccination chart Let's solve some problems to better understand the concept of vaccination and its uses. Aakash Bagga exercise