The human brain has up to 100 billion neurons (nerve cells)
attention deficit hyperactivity disorder. Makes a child or adult figity, loss of attention or short attention span.
Researchers have concluded that there is a link between _______ physical activity with the risk of heart attack and sudden cardiac death within one to two hours following the activity.
Out of all the answers shown above the one that completes and makes the statement shown above true is answer choice B) vigorous-intensity.
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