Title What is baseballâs âmodern eraâ? The start of the 20th century might not seem particularly modernâafter all, there were only 45 states in the Union, hardly anyone owned a car (the Model T didnât debut until 1908) and William McKinley, a Civil War vet, occupied the White House.
Sinus tachycardia is a normal increase in the heart rate. How it happens. The sinoatrial (SA) node --- the heart's natural pacemaker-sends out electrical signals faster than usual. The heart rate is fast, but the heart beats properly.inus tachycardia is a normal increase in the heart rate. How it happens. The sinoatrial (SA) node --- the heart's natural pacemaker-sends out electrical signals faster than usual. The heart rate is fast, but the heart beats properly.
Yes, your heart rate increases when you are in pain, so when you hit your head then alot of blood rushes toward it, therefore making your heart beat faster and make your heart â¦ rate go up.2 people found this useful.es, it does make your heart rate increase because spicy food increases metabolism in your body and also amount of heat in your body causes blood to circulate faster, therefor â¦ e heart rate increases.