Overall Animation: 2000 frames/25fps = 80 seconds of animation.
Vessel Contracting from frame 100-2000. (loops of 80frames repeating). Turn On / Off smooth levels. Each blood / white cell connected to a helper. The animation keyframes are on the helpers and not the mesh (no vertex animation). The presented pictures are from the native file. All layers + objects are organized and named correctly. The native file includes: Vray Lights. Vray Materials. GI used for renders.Best of luck