because there lungs are contracting and uncontracting
I can't say. All dogs have a very good sense of smell, big or small. Springer Spaniels (Small to medium sized dogs) and Bloodhounds (Large dogs) both have a good sense of smell.
A dogs sense of smell is so acute that it can smell a person who was in a place days after.
No, oxygen is an odorless gas. Even dogs can't smell it.
no because usually dogs feet doesn't smell!!!!!
Dogs can smell electricity, and they seem to understand that it represents a potential danger to them. Your dog seems to be sensitive to the scent, which is not unusual. That is one reason why many dogs are terrified by thunderstorms; it's not just the noise.
No, dogs do not smell with their tongues. They have a highly developed sense of smell due to their powerful noses, which contain up to 300 million scent receptors. The licking behavior in dogs is more related to tasting and exploring their environment.
Yes dogs can smell almost everything in their surroundings.
no they smell nice when they are a puppy
the way we smell through our noses
They smell like dirty dogs.
no
I believe some tracking dogs and hounds have the keenest sense of smell.