El aparato circulatorio

The video explains the circulatory system, highlighting its role in transporting nutrients, oxygen, and waste. It details the composition of blood, including plasma and various blood cells like red and white blood cells and platelets. The video also covers the types of blood vessels—arteries, veins, and capillaries—and their functions. Finally, it describes the heart's structure, its chambers, and how it pumps blood throughout the body, emphasizing the processes of systole and diastole.

What is the primary function of the circulatory system?

Describe the composition of blood.

What are the three types of blood vessels?

Explain the role of the heart in the circulatory system.

What happens to blood after it has delivered oxygen to the body?