________ are microscopic blood vessels with thin walls that allow the passage of oxygen and nutrients to the body and let the blood pick up waste and carbon dioxide
Fill in the blank(s) with correct word
Capillaries
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A medical term that means inflammation of a valve is ________
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____________________ is the form of arthritis most commonly associated with aging
Fill in the blank(s) with correct word
Being thin is as protective as good cardiorespiratory fitness at lowering disease risk
Indicate whether the statement is true or false.
Which one of the following is an advantage of free weights when compared to weight training machines?
A. Free weights offer more variety of exercise movements than machines. B. Free weights tend to be safer than machines for beginners. C. Changing weights is faster on barbells with collars than it is on weight stack machines. D. Beginners can learn exercise movements easier and faster with free weights than machines.