The video shows a 3D model of a human body with a focus on the heart and blood vessels. The heart is shown in a close-up view, with the blood vessels surrounding it. The heart is depicted in a realistic manner, with a red color and detailed textures. The blood vessels are shown in a contrasting color, with a network of thin, branching tubes. The video provides a detailed look at the heart and its surrounding blood vessels, with a focus on the intricate network of vessels that supply blood to the heart.