When doing some form of aerobic exercise, you are at an appropriate intensity when you are

Question

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When doing aerobic exercise, an appropriate intensity is when you are able to talk to someone. This indicates that you are working hard enough to increase your heart rate and breathing, but not so hard that you are unable to carry on a conversation. The other options of not being able to catch your breath, being able to sing clearly, or intermittently being able to talk are not at an appropriate intensity for aerobic exercise.

When Doing Some Form of Aerobic Exercise, You Are at an Appropriate