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.

What are the main functions of the cardiovascular system?

Describe the journey of a red blood cell as it carries oxygen through the body.

What role do capillaries play in the circulatory system?

How does the lymphatic system support the immune system?

Explain the relationship between the cardiovascular system and the lymphatic system.