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Daily exercise benefits people of all ages. Children and adolescents ages 6–17 should engage in at least one hour of exercise per day. Adults should participate in at least 75 minutes of exercise per week.


What is Exercise?

Exercise is any activity that uses the human body and maintains the person’s physical fitness, health, and wellness. These activities may include sports, recreation, and chores. Exercise, along with nutrition, brings about physical fitness.


Elements of Exercise

There are three elements involved in all exercise: endurance, strength, and flexibility. Endurance is the ability to sustain activity. Through exercise, the human body becomes stronger, helping deliver oxygen to its cells.


In addition to endurance, exercise must also build strength. Strength is the ability of muscles to perform tasks. Through exercise, muscles are built, making the person stronger.


A diagram of the muscles in the human body, which exercise works to strengthen

Finally, exercise increases flexibility, which is the ability of the muscles and joints to bend and move. Because muscles are designed to not only be used for strength, but also to bend and move, it is essential have flexibility.


Exercise and Health

Exercise can have several positive impacts on an individual’s health. One of the most significant health benefits of exercise is its ability to strengthen the cardiovascular system. Through exercise, the heart and the body’s blood vessels are able to more efficiently move oxygen through the body, creating better overall health. Participation in regular exercise has been proven to lower blood pressure, bad cholesterol, and weight.

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Questions
What does the descriptive structure of this text allow the reader to do? Choose two.


Compare and contrast different types of exercise


Learn about the benefits that exercise can have on health


Understand what the definition of exercise is


See how ideas about exercise have changed over time

Answer 1

- Learn about the benefits that exercise can have on health
- Understand what the definition of exercise is