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1.  Why  do  dogs   stick   their   heads  out  car   windows ?

To  look  around Search  for a  friend Look for  food Feel  new  smells Just for  fun

Scene 2

Dogs  receive  more  olfactory   stimulation   with   their   heads   fully   outside   the   car  versus  inside   the  car.  And   even   having   the   windows   down   only  a  few  inches  seems   to   provide   enrichment   and   stimulation   that   dogs   will   seek  out. The  canine   olfactory  system  is   highly   developed   and   far  superior  to   ours . For starters, a  dog’s   nose   is   equipped   with  a  complex   maze   of  300  million   scent   receptors ,  compared   to   our   measly  5  million . The more  receptors ,  the  more  sensitive   the   nose   is .

Scene 3

2.  What   dog   is   known  for its  bluish-black   tongue ?

Afgan   hound                               b ) American  bulldog           c )  Chow   Chow                              d ) Lhasa   apso

Scene 4

Afgan   hound American  bulldog Chow   Chow Lhasa   apso

One   of   the   oldest   breeds   of   dogs ,  Chow   Chows  are  known  for  their   bluish-black   tongues   and   gums .  They   aren't   born   with   this   coloration ,  however . At  birth , a  Chow   Chow's   tongue   and   gums   will   be   pink ;  by   eight   weeks ,  however ,  they   will   take   on   the   bluish-black  color.  Originally   from  China,  the   Chow   Chow's   name  ( Songshi   Quan ),  literally   translated ,  means  " puffy   lion   dog ".

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3.  What   is   the   only   dog   that   can't   bark ?

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The  Basenji ,  an   African   hunting   dog ,  is   the   only   dog   that   cannot   bark .  This   trait   is   probably   due   to   the   shallow   laryngeal   ventricle  in its  larynx .  However ,  the   Basenji   is   certainly   not   silent   and   can   make  a  wide   variety   of   other   dog   noises  as  well  as a  unique   yodelling   sound .  One   of   the   most   ancient   breeds   of   dogs ,  Basenjis   were   once   feared   extinct   until   they   were   rediscovered  living  among   the   Azande   and   Mangbetu   tribes   from   the   northeastern  Congo  region   of   Africa  in 1895.

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