HUD - Heads up display. Some of your vehicleâs key instrumentation is flashed up onto the bottom of the windshield. This allows drivers to check speed, etc. without having to take their eyes off of the road. Infrared - A term used to describe Solar Coated glass. Laminated - A sandwich of two pieces of glass with a PVB layer between them.
This structure controls the heart rate and is called the heart's natural pacemaker. The sinus node signals the heart to speed up during exercise or in situations that are stressful, frightening or exciting. For example, a 10- to 15-minute brisk walk typically elevates the heart rate to 110 to 120 beats per minute. Also, the sinus node increases the heart rate when the body is stressed because of illness. In all of these circumstances, the heart rate increase is a normal response. Likewise, the sinus node signals the heart to slow down during rest or relaxation.
Other Causes of Elevated Heart Rate. Elevated heart rate when sick is actually your heartâs aid in order to quell the sickness. However, there can be other causes for elevated heart rate as well. Electrical signals produced and sent to the heart tissues are responsible for controlling the heart rate.his is especially important if you find your heart rate elevated even without any obvious cause. Elevated heart rate when sick is understandable but elevated heart rate while you are resting is a worrying sign.