Nervous System - Why don’t we feel pain when we cut our hair? | #aumsum #kids #science
Больше интересных и полезных видео смотрите в нашей группе по хэштегу #видео@krauzesa_studio
2 months ago 00:02:02 1
2 months ago 01:21:34 1
2 months ago 00:15:24 1
2 months ago 01:39:58 1
2 months ago 01:53:51 1
2 months ago 10:39:23 1
2 months ago 01:13:00 1
2 months ago 11:48:24 1
2 months ago 01:12:25 1
2 months ago 00:14:19 2
2 months ago 00:23:43 2
2 months ago 00:05:37 1
2 months ago 11:54:57 1
2 months ago 01:00:04 1
2 months ago 00:03:01 1
2 months ago 03:13:50 1
2 months ago 00:00:00 1
2 months ago 00:03:21 1
2 months ago 00:50:04 1
2 months ago 01:11:11 1
2 months ago 00:00:00 1
2 months ago 00:00:00 1
2 months ago 00:58:41 2
2 months ago 00:00:09 1
