Priced at $40 USD, the Fire TV Stick is a bit more expensive than Google's $35 Chromecast, but $10 cheaper than the already-affordable Roku Streaming Stick âlike other typical set-top boxes, the standard Fire TV is available for $100.
The precise question was: Is a dog's mouth cleaner than a human's? The answer to that is no, too, and basically for the reasons you've already cited. As we all know, dogs aren't particularly fussy about where they put their tongues or what goes into their mouths.
So, dogs can hear sounds that human cannot, for example: bats: they use ecolocalization yelling sounds from 14 kHz to 100 kHz, so dogs hear them better than humans do. rats: they chat at ranges from 20 kHz to 50 kHz, so ratter dogs can perfectly hear them. frogs: they chat at 35 kHz, so dogs hear them too