★ First Aid Quiz
If someone is bleeding badly, how long should you put pressure on the wound to slow the blood flow?
A. 10 minutes
B. 20 minutes
C. Until the bleeding stops
D. Never put pressure. Allow the blood to flow freely
Select your answer:

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Human Circulatory System › ViewWhich of the following has the thickest wall?
A. Right ventricle
B. Left ventricle
C. Right auricle
D. Left auricle
Cardiology › View
Myocarditis is ?
A. Inflammation of the heart
B. Inflammation surrounding the heart