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Select your answer:
A  B  C  D  E 

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Topics:

Stroke Mutations Cardiorespiratory System Blood/Lymphatic/Immune Major Nutrients Physical Pharmacy Nervous System: Diseases/Problems/Illnesses Autism Awareness Health Systems Vision Laboratory Careers Muscoskeletal Injuries Axial & Appendicular Skeleton Respiratory Human Anatomy and Physiology - Types of Tissues

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Other quiz: Stroke

How often a heart attack occurs in the world?

A. every 2 seconds

B. every 4 seconds

C. every 6 seconds

D. every 8 seconds

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