This Site Might Help You. RE: Why do breathing and heart rate remain elevated after exercise stops? One measrue of physical fitness is a &quot;step test,&quot; in which a subject steps us on a low platform and then back down (one second for each), and continues this process for 3 minutes.aybe because your muscles are still requiring oxygen since they are still swollen from being used. Oxygen is transported to your muscles via your blood from your lungs and that could be the reason why your heart rate stays elevated.
Old headlights gave off 700 lumens of light; new headlights give off 1,000 to 1,200 lumens; high-intensity discharge lights (the term Xenon is really a misnomer, Bibbo said) give off 3,000 lumens.ld headlights gave off 700 lumens of light; new headlights give off 1,000 to 1,200 lumens; high-intensity discharge lights (the term Xenon is really a misnomer, Bibbo said) give off 3,000 lumens.
Average figures:    Incandescent: 10 lumens per watt   Halogen 13 lumens per watt   CFL (low-energy) 50 lumens per watt. 5 people found this useful. Edit. Share to: 1  5 Eco-Friendly Inventions Eco-friendly inventions refer to products that keep the environment and human safety in mind. A 100 watt bulb gives about 1500 lumen, so 130 lumen would be a very small one, about 8 watts.