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.
Top 10 facts about the world. Pitch diameter is a term used to take measurements of the diameter of a gear or a screw using pitch points. Pitch points on a gear could be found if a straight line were drawn up from two of the gear's teeth located side by side and the two lines were connected by a curve.