United States, 1930s: dissected heart continues to beat. Heart responds to stimulus after time.

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United States 1930s USA America vintage black white heart circulation human frog dissection remove continue beat time reaction stimulus poke physiology anatomy cardiac cardiovascular system

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Category: 1930s Viewed: 1491 Downloads: 0

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United States, 1930s: dissected heart continues to beat. Heart responds to stimulus after time.

ID : 9225

License: Royalty free

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United States, 1930s: dissected heart continues to beat. Heart responds to stimulus after time.