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Which of the following reduces stress hormones, increases beneficial endorphins which reduce pain and elevate your mood, and increases the effectiveness of the immune system cells?


A) Sleep
B) Melatonin
C) Exercise
D) Laughter
E) a balanced diet

F) A) and B)
G) A) and C)

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Which two proteins are most prevalent in muscle fibers?


A) ATP and cartilage
B) Iron and hemoglobin
C) Mitochondria and ATP
D) Actin and myosin
E) Cartilage and calcium

F) B) and D)
G) B) and C)

Correct Answer

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Which of the following provides the most energy per gram of material?


A) Carbohydrates
B) Proteins
C) Fats
D) Vitamins
E) Minerals

F) A) and B)
G) B) and E)

Correct Answer

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