Changing levels of certain substances in the blood, such as sodium, can cause confusion. Increased heart rate...heart palpitations, which feel like your heart is racing or throbbing. To make up for the loss in pumping capacity, the heart beats faster.
The pitch plane of a pair of gears is the plane perpendicular to the axial plane and tangent to the pitch surfaces. A pitch plane in an individual gear may be any plane tangent to its pitch surface.
Gear ratio on the other hand must be greater than 1 (always).Therefore Gear Ratio is defined as the ratio of velocity of pinion(small gear)to that of the bigger gear. In other words,It is the ratio of no. of teeth on the bigger gear to that on pinion.