Answer:
Alpha brain waves are those most conducive to studying new information. When consciously alert, we generally function along a beta brain rhythm. In diminishing this rhythm to alpha, we transition into a state of physical and mental relaxation that is ideal for learning new information and storing facts and data.
Explanation:
The answer is C. Unexplainable muscle weakness or pain.
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A,C,D,B that the order i would put them in
The heart is strengthend through cardiovascular exercise.