B cells are a subtype of lymphocyte. They form part of the adaptive immune response and mediate humoral immunity. B cells can produce high-affinity antibodies and generate immunological memory ...

THE WEEK'S MOST POPULAR R&B ALBUMS, BASED ON MULTIMETRIC CONSUMPTION, BLENDING TRADITIONAL ALBUM SALES, STREAMING-EQUIVALENT ALBUMS AND TRACK-EQUIVALENT ALBUMS, AS COMPILED BY LUMINATE ...

hot r&b songs the week’s most popular current r&b songs across all genres, ranked by streaming activity data by online music sources tracked by luminate, radio airplay audience impressions as ...