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.
A flux of 1000 lumens, concentrated into an area of one square metre, lights up that square metre with an illuminance of 1000 lux. However, the same 1000 lumens, spread out over ten square metres, produces a dimmer illuminance of only 100 lux. Achieving an illuminance of 500 lux might be possible in a home kitchen with a single fluorescent light fixture with an output of 7004120000000000000â 12000 lumens.