WorksheetsTED TALKS: "How Do Dogs 'See' With Their Noses?"
Total questions: 10
Worksheet time: 5mins
What does a vomeronasal organ do for dogs? Choose all that apply (Hint: Choose 3)
detects hormones of other organisms
alerts them to various emotional states
lets them identify future mates
allows them to detect direction of the smell
Dogs have how many specialized olfactory receptor cells?
5 million
300 million
7 million
less than 100
Dogs can smell separately with each nostril. This is an advantage. Why? Choose the (2) correct answers.
they can exhale out one nostril and inhale in the other
they can determine what is out there
it allows them to keep their nose moist and spongy
they can determine the location of the smell
Olfaction bypasses the thalamus and goes directly to the brain, making the dog's senses:
visceral and more immediate
slower and more time-consuming
unable to detect certain odors
only able to detect food sources
The slits in the side of the dog's nose are essential because
they help create swirls of air that draw in more odor molecules
they are directly connected to the vomeronasal organ
they inhale through them
they keep the nose moist
The olfactory system, dedicated to processing smells, takes up many times more relative brain area in _______ than in _____.
dogs, humans
humans, dogs
With their vomeronasal organ, many dogs can detect if a human is pregnant, angry, or sick.
true
false
Dogs can be trained to sniff out and detect cancer cells in the body of a human.
true
false
Perfume is sprayed in an enclosed football stadium. A dog can: (choose 2 correct answers)
not smell the perfume
smell the perfume across the stadium
smells the perfume and is able to detect the individual ingredients in it
Dogs are able to detect our emotional states by smelling our hormones.
Yes, this is how they "know" when you've had a bad day
No, dogs cannot smell human hormones,
