Naked Science Forum

General Science => General Science => Topic started by: Build a on 15/10/2011 16:01:02

Title: How does an anus distinguish a poo from a fart?
Post by: Build a on 15/10/2011 16:01:02: Build a asked the Naked Scientists:

HelloÂ Chris

Great show...

How does your body know the difference (usually!) between a fart and a poo?

Charlie Lupton

What do you think?
Title: How does an anus distinguish a poo from a fart?
Post by: chris on 15/10/2011 19:43:37: As others have "a-loo-ded" to on Twitter, the system is good, but it isn't flawless; this can give rise to the phenomenon of the "shart" - a fart with some faecal content - also know as squirts.

Chris
Title: How does an anus distinguish a poo from a fart?
Post by: Airthumbs on 15/10/2011 23:43:58: Touch cloth, turtle head, and of course the dreaded day after a curry!
Title: How does an anus distinguish a poo from a fart?
Post by: Bored chemist on 16/10/2011 09:49:52: OK, so from time to time it doesn't work, but most of the time it does seem able to tell gases from solids.

How?
Title: How does an anus distinguish a poo from a fart?
Post by: chris on 16/10/2011 09:51:40: People who have had a surgical haemorrhoidectomy sometimes say that this procedure appears to impact upon the nerve that tells liquid from gas and can result in some accidents, at least initially.
Title: How does an anus distinguish a poo from a fart?
Post by: Don_1 on 20/10/2011 08:51:12: The real problem is the dreaded 'follow through'.

(https://www.thenakedscientists.com/forum/proxy.php?request=http%3A%2F%2Fwww.freesmileys.org%2Fsmileys%2Fsmiley-shocked003.gif&hash=ab88d8daaff00fc7b9d2bfb34c3df492) (http://www.freesmileys.org/smileys.php) Oh dear! My fart seems to have lumps in it!
Title: How does an anus distinguish a poo from a fart?
Post by: neilep on 20/10/2011 11:22:49: Quote from: Don_1 on 20/10/2011 08:51:12
The real problem is the dreaded 'follow through'.

(https://www.thenakedscientists.com/forum/proxy.php?request=http%3A%2F%2Fwww.freesmileys.org%2Fsmileys%2Fsmiley-shocked003.gif&hash=ab88d8daaff00fc7b9d2bfb34c3df492) (http://www.freesmileys.org/smileys.php) Oh dear! My fart seems to have lumps in it!

[;D]
Title: How does an anus distinguish a poo from a fart?
Post by: neilep on 20/10/2011 11:25:45: Who's that bird on TV who likes to look at peoples poo ?...she'd be up for some empirical experimentation. Just get a bunch of bums sat on a raised plinth with appropriate seating cavities and feed the owners a variety of fart and poo generating nutritional biomatter and let the fun begin !
Title: How does an anus distinguish a poo from a fart?
Post by: Geezer on 20/10/2011 18:50:08: Quote from: neilep on 20/10/2011 11:25:45
Just get a bunch of bums sat on a raised plinth with appropriate seating cavities

Sounds like a Roman toilet. Didn't seem to bother them one bit either.