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1930s: The heart is a muscular pump that maintains the circulation, its force lies within itself, the heart continuing to beat long after it is removed from the body

R

By Rick Ray

  • Stock footage ID: 26865772
Clip length: 00:47FPS: 29.97Aspect ratio: 16:9
HD$791920 × 1080MOV282.2 MB
SD$65852 × 480MOV37.6 MB
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