Blood flushes into the face.

Skin surface consists of four elements such as furrows, ridges, hair holes and sweat holes.

Before dawn every morning, the dieners would array the day's corpses on the tables in the small, unventilated autopsy room, ready for the medical examiners to splay them out under unforgiving, hot lamps that left patches of dark in the corners.

Alexis Sanchez hit the crossbar for Barcelona early on and Pedro hit the post in the dying seconds - while Cole cleared off the line from Cesc Fabregas. Goalkeeper Petr Cech also saved well from Messi and Carles Puyol as Pep Guardiola's team tried every avenue in an attempt to break Chelsea down.