The attached video highlights the differentiating characters between T-lymphocytes and B-lymphocytes. Not only this, but it gives sufficient knowledge about types of lymphocytes. TIMELINE: 0:06 Overview 0:25 Lineage of Lymphocytes 0:37 Brief characteristics of B-Lymphocytes 2:30 Brief characteristics of T-Lymphocytes 4:53 Similar function of B and T cells