Circulatory System

The video explains the circulatory system, which includes the cardiovascular and lymphatic systems. It details how the cardiovascular system circulates blood, delivering oxygen and nutrients while removing waste. The lymphatic system, which carries lymph, plays a crucial role in immune response and fluid balance. Key components like blood cells, plasma, and lymphatic organs such as the thymus, spleen, and tonsils are discussed. The video highlights the importance of these systems in maintaining health and fighting infections.

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