Aerobic exercise stimulates the heart rate and breathing rate to increase in a way that can be sustained for the exercise session. In contrast, anaerobic ("without oxygen") exercise is activity that causes you to be quickly out of breath, like sprinting or lifting a heavy weight.
I believe it is Fast-twitch muscle fibers. Slow-twitch fibers are used for people who exercise for a long period of time such as running, swimming, and cycling.
A cluster of furuncles, or boils, is called a carbuncle. The cluster is caused by bacterial infection, most commonly with Staphylococcus aureus or Streptococcus pyogenes.
