The heart is an example of an organ or a muscle.
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Position the infant facedown on your forearm
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If I remember right this should be the correct answer
A liver has to work 24 hours a day because the body cannot function
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in the stress response has three stages:alarm, time, and fatigue
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F.I.T.T. stands for frequency, intensity, time, and type of exercise. These are the four elements you need to think about to create workouts that fit your goals and fitness level.
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