AS Biology - Phagocytosis (OCR A Chapter 12.5)
6:55
AS Biology - T- and B-lymphocytes (OCR A Chapter 12.6)
5:10
A Level Biology Revision "Neutrophils, Macrophages and Phagocytosis"
5:47
AS Biology - Non-specific primary defences + Inflammation (OCR A Chapter 12.5)
3:26
A Level Biology Revision "Endocytosis and Exocytosis OCR / Edexcel"
25:22
AS Biology - Immune response OVERVIEW (OCR A Chapter 12.5-6)
9:17
Macrophages: The Destroyers
11:45
Antibody Isotypes (IgM, IgG, IgA, IgE, IgD)
5:15