Immune System: Phagocytosis, T & B Lymphocytes 🦠 - A Level Biology Learning & Revision

Emma looks at the process of phagocytosis in dealing with pathogens. She looks at the role of T cytotoxic and T helper cells. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam.

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Let other students help you revise for your A Level Biology exams. In this series, students break down complicated revision subjects to its core components helping you rock your exams. Find your FREE online course here: http://bit.ly/2TaDFD8