The video shows red blood cells pumping through a blood vessel. The images are 3D rendered and have some subtle post-effects applied to give an immersive, soft and organic feel to the image.
There are 3 separate video files which differ in length and in the angle and movement of the camera. The heartbeat sound is included in the video file.
The video is compressed at 12mbps with h.264 codec in a .mov file.