Just over 50 percent of adult Americans engage in aerobic physical activity that meets the national guidelines.
More about aerobic physical activity:
Exercise that relies primarily on the aerobic energy-generating mechanism is known as aerobic exercise, often known as endurance exercises, cardio, or cardio-respiratory exercise.
According to the dictionary, the term "aerobic" refers to the use of oxygen to appropriately provide the energy demands of aerobic metabolism during activity.
Benifits of aerobic physical activity:
- Increases the strength of the breathing muscles to make it easier for air to enter and exit the lungs.
- Increases blood flow efficiency and lowers blood pressure
- Increases sensitivity to pain
- Keeps independence during old age
Learn more about aerobic here:
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Answer:
The combined length of the Missouri-Mississippi river system, from headwaters [of the Missouri river] in southern Montana, to the mouth of the Mississippi near New Orleans [Louisiana], is aproximately 6,267 km (3,895 mi), making it the world's fourth longest river system, after the Nile, the Amazon, and the Yangtze.
Explanation:
