Sophia Learning
Sophia: White Blood Cells: Defense and Immunity: Lesson 1
This lesson will describe how white blood cells play a role in defending our body's defense. It is 1 of 3 in the series titled "White Blood Cells: Defense and Immunity."
Khan Academy
Khan Academy: Types of Immune Responses: Innate & Adapt, Humoral v Cell Mediated
Sal Khan discusses our immune system responses, specifically humoral adaptive immunity. [8:06]