In the penultimate episode of Crash Course Anatomy & Physiology, Hank explains your adaptive immune system. The adaptive immune system’s humoral response guards extracellular terrain against pathogens. Hank also explains B cells,... Read more »
Hank talks about the molecules that make up every living thing – carbohydrates, lipids, and proteins – and how we find them in our environment and in the food that we eat.... Read more »
