Vagal maneuvers are used to try to slow an episode of fast heart rate. These simple maneuvers stimulate the vagus nerve, sometimes resulting in slowed conduction of electrical impulses through the atrioventricular (AV) node of the heart. Be sure to talk to your doctor before trying these. Vagal maneuvers that you can try to slow your fast heart rate include: Gagging. Holding your breath and bearing down (Valsalva maneuver). Immersing your face in ice-cold water (diving reflex).
Another source of renewable energy is biomass fuel, hydro power which generates elecricity using dams and rivers etc, wind energy using turbines to generate electricty, solar â¦ power which absorbs energy from the sun to heat water and generate electricty. If you want to know more, check wikipedia or google...
In order to define alternative energy we first need to define alternative energy sources. Alternative energy source is any source of energy that does not belong to traditional energy sources. Traditional energy sources are fossil fuels (coal, oil and natural gas).