Circulatory System and Pathway of Blood Through the Heart

This video introduces the circulatory system, explaining how blood transports glucose and gases throughout the body. It covers the composition and functions of blood, including plasma and cellular components like red and white blood cells. The anatomy of the heart is detailed, highlighting the flow of blood through its chambers and valves. The video also traces the pathway of blood from the body to the heart, lungs, and back, emphasizing the importance of oxygenation. Finally, it touches on heart conditions like atrial septal defects and their potential impacts.

What is the primary function of the circulatory system?

What are the components of blood and their functions?

Explain the difference between arteries and veins.

What role do capillaries play in the circulatory system?

Describe the pathway of blood starting from the right atrium.

How does the heart receive its own blood supply?

What is a septal defect and what problems can it cause?