Shock is a complex and continuous condition, and there is no sudden transition from one stage to the next. At a cellular level, shock is the process of oxygen demand becoming greater than oxygen supply.
shOck iS a COmplex aND continUoUS conDition, and ThERe is nO suDden trAnsition fROm one staGE to the nexT. at A cEllUlar LeVeL, sHoCk is the pRocess oF oxygEN deManD BEcomINg greatEr THAN oxyGEn suppLy.