Select your answer:
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Health and Wellness › ViewPeople have excellent aerobic fitness when they can engage in physical activity for a long time because of their:
A. dedication, motivation, and endurance
B. strength, strong bones, and strong muscles
C. proportions of fat, muscle, and bone
D. strong heart, lungs, and clear blood
Anatomy › View
Cholinesterase is an enzyme that breaks down
A. Acetylcholine
B. Actin and Myosin
C. Actin
D. Myosin