- The human body has more then 650 muscles.
- Each muscle fiber is thinner than a hair and can support up to 1,000 times its own weight.
- By the age of 65, individuals who haven't engaged in exercise on a regular basis may incur a decrease in their muscular strength by as much as 80 percent.
- About 42% of the more than 10,000 runners who finished the 1989 New York Marathon were over the age of 40. Of these, 56 runners were over 70-years-old. The oldest finisher of the race- in 6 hours and 43 minutes- was 91-years-old.
- Your lungs are light enough to float on water.
- It takes only about 23 seconds for blood to circulate throughout your entire body.
- Between birth and old age, you will walk about 70,000 miles. Walking is one of the best activities you can do to keep your heart-lung complex in good working condition.
- Aerobic exercise is one of the best preventative medicines available and one of the cheapest.
- All factors considered, several cardiovascular-related, physiological differences exist between men and women-- most of which place women at a disadvantage in aerobic endurance activities.
- People with more education tend to be more physically active.
- The heart is a hollow, muscular organ that is roughly the size of a man's fist, averaging approximately 5 inches in length, 3.5 inches in width, and 2.5 inches in thickness. It weighs about 10.5 ounces in the male and 8.75 ounces in the female.
- Although you can't just go to a human spare-parts store to buy a new replacement body part, organ transplants take every day. The cost of a transplant to replace either your heart or lung would be approximately $100,000 each.
- Placed end to end, the blood vessels in your body would stretch almost three times around the equator.
- If you can't carry on a conversation while you're exercising, you may be training too hard.
- Consistent exercise teaches your body how to be an efficient fat-burner, rather than a fat-storer.
- If you are 25 pounds overweight, you have nearly 5,000 extra miles of blood vessels through which your heart must pump blood.
- Muscle is the primary target organ of aerobic training. The effects of aerobic training on muscle involves the use of oxygen as it relates to energy production.
- Research shows that cardiac rehab programs that include exercise reduce risk of death by 20 percent.
- When you stand up, if you didn't have valves in your veins, all the blood in your body would literally fall downward, filling up your legs and feet.
- Aerobic training improves the condition and efficiency of your breathing muscles so that your body can utilize more lung capacity during exercise.
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