Examlex
As of 2007, about two-thirds of Native American family households were composed of married-couple families, a figure below that of Hispanic, Asian, and white Americans.
Treadmill
An exercise machine with a continuously moving belt, allowing a person to walk or run in place.
Shortness of Breath
The sensation of uncomfortable, difficult, or labored breathing.
Muscles
Tissues in the body that have the ability to contract, enabling movement and force.
Skeleton
The internal framework of the body composed of bones and cartilage which provides support and protection.
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