Why are we Ticklish?

[ahlam1399]

http://i.ytimg.com/vi/Sjyl-ti3xAY/default.jpg (http://www.youtube.com/watch?v=Sjyl-ti3xAY&feature=youtube_gdata)
Why are we Ticklish? (http://www.youtube.com/watch?v=Sjyl-ti3xAY&feature=youtube_gdata)

What's up with ticklishness? And are other animals ticklish, too? Quick Questions has the answers! Hosted by: Hank Green ---------- Like SciShow? Want to help support us, and also get things...
From:SciShow (http://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow)
Views:54708
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4733ratings
Time:02:27More inEducation (http://www.youtube.com/videos?c=27)


أكثر... (http://www.youtube.com/watch?v=Sjyl-ti3xAY&feature=youtube_gdata)