Matching Pairs Dogs & SmellsOnline version From the British Council: https://learnenglish.britishcouncil.org/general-english/video-zone/why-dogs-stick-their-heads-out-car-windows by Alexander James Thirkell 1 to discover the meaning of something which contains a hidden message 2 to allow saliva to flow out of your mouth 3 when an animal is in a state of sexual excitement and ready to breed 4 a smell, often an unpleasant one 5 a pleasant, natural smell 6 the two openings in the nose through which air moves when you breathe 7 a part of the body that sends messages to the central nervous system 8 a quick breath in through the nose to smell something a receptor nostrils a sniff an odour in heat a scent to decipher to drool