Asteroid Belt. About 2-4 AU (186-370 million miles) away from the Sun, between the orbits of Mars and Jupiter, is a region called the Asteroid Belt. This region is a ring of tens of thousands of relatively small rocky objects called Asteroids. Asteroids can vary greatly in size.
A normal pulse rate for a healthy adult, while resting, can range from 60 to 100 beats per minute, depending on athletic ability. [ Source: http://www.chacha.com/question/what-is-your-pulse-supposed-to-be ].
A normal pulse rate for a resting person should be around 60 beats per minute. During exercise, depending on what kind of exercise one is doing, a normal pulse should be betw â¦ een 100 and 180 beats per minute.+ 13 others found this useful. Kathleen Durand.ormal adult pulse rate should be between 80-100 bpm. Factors such as cardiovascular and overall fitness, height/weight ratio, and genetics may affect this number. For exa â¦ mple, a distance runner may have a resting heart rate of 35 or 40, while an obese adult may have a resting heart rate of 85.