Последние добавленные видео:
why-do-we-yawn
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11 years ago
4527350 11 years ago 2:31Why Do We Yawn?
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11 years ago
454058 11 years ago 2:46Why Do We Yawn?
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5 years ago
63526 5 years ago 3:35Why Do We Yawn?
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13 years ago
4769409 13 years ago 5:45Why Is Yawning Contagious?
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1 year ago
12196 1 year ago 1:08Why is yawning contagious? Your yawn reflex, explained. | JUST CURIOUS
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2 days ago
2 2 days ago 8:58Why Do We Yawn? A1 English Listening Practice + Quiz
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6 years ago
975312 6 years ago 5:16Why Do We Yawn? | The Dr. Binocs Show | Best Learning Videos For Kids | Peekaboo Kidz
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1 year ago
5075 1 year ago 7:45Why We Yawn
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6 years ago
114046 6 years ago 3:19Why Do We Yawn?
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7 years ago
169183 7 years ago 1:06Why do we yawn? | #aumsum #kids #science #education #children
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11 years ago
2410735 11 years ago 4:29Why is yawning contagious? - Claudia Aguirre
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7 years ago
2088 7 years ago 3:48Why Do We Yawn? - According To Science
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2 years ago
421 2 years ago 2:08Why do we yawn — and why is it contagious?
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7 years ago
17920 7 years ago 1:01Why do we yawn? Experts explain
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6 years ago
986372 6 years ago 2:09Why Do We Yawn? | COLOSSAL QUESTIONS