Contamination Sign Stock Videos

Browse 2,961 contamination sign videos and clips available to use in your projects, or start a new search to explore more footage and b-roll video clips.

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bacteria - friend and foe - part 13 of 19. shows the importance of bacteria in our everyday life. animated drawings and live action scenes show bacterial growth and reproduction, and ways in which bacteria may be grouped for systematic study. contribution - contamination sign stock videos & royalty-free footage
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Bacteria - Friend and Foe - part 13 of 19. Shows the importance of bacteria in our everyday life. Animated drawings and live action scenes show bacterial growth and reproduction, and ways in which bacteria may be grouped for systematic study. Contribution
Archival, Old-fashioned, 1950-1959
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biology: exploring the living world - part 10 of 18. examines the three lines of defense against infection - the skin and mucous membrane, the lymphatic system, and the circulatory system including liver and spleen. explains how the body becomes immune to - contamination sign stock videos & royalty-free footage
00:38
Biology: Exploring the Living World - part 10 of 18. Examines the three lines of defense against infection - the skin and mucous membrane, the lymphatic system, and the circulatory system including liver and spleen. Explains how the body becomes immune to
Heart - Internal Organ, Arrow - Bow and Arrow, People
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biology: exploring the living world - part 5 of 18. examines the three lines of defense against infection - the skin and mucous membrane, the lymphatic system, and the circulatory system including liver and spleen. explains how the body becomes immune to - contamination sign stock videos & royalty-free footage
00:31
Biology: Exploring the Living World - part 5 of 18. Examines the three lines of defense against infection - the skin and mucous membrane, the lymphatic system, and the circulatory system including liver and spleen. Explains how the body becomes immune to
Stomach, Biological Cell, Appendix
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