Your Achilles tendon was named after the Greek Hero that's only week spot was his tendon ... hope this helped
2.0 because 2.05 is about two and a half where as 2.0 is considered to be a whole number , hope this helps
Forward spatter is the blood that is ejected out of the exit wound,going the same direction as the bullet.back spatter is the blood ejected out of the entry wound,travelling against the line of fire and towards the shooter.