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.
The noun gear refers to several things. First, itâs the equipment we need for a sport or event. A gear is also a wheel with teeth that interlocks with another gear to transmit motion in a machine. The background of gear as equipment dates back to around 1200 and comes from the Old Norse gervi, apparel.. The word gear in machinery became common in the early 19th century, although there is evidence that the word came to mean toothed wheel as early as 1520.