Alfred has a golden retriever named Max. Max can recognize people from their smell. Max starts to bark and wag his tail when Alf
red reaches the gate of his house, even though Max is 50 yards away in his kennel. What are the reasons for Max’s ability to smell so well? A.) Dogs have more olfactory receptors in their noses, allowing them to identify people by their smell.
B.) Dogs have highly sensitive olfactory receptors, allowing them to distinguish a person’s unique odor.
C.) Dogs have better eyesight than humans, allowing them to see faraway objects.
D.) Dogs have an extended nervous system, allowing them to detect even the slightest movement in humans.
E.) Dogs have connected optic and olfactory systems, allowing them such precision in smell.
A.) Dogs have more olfactory receptors in their noses, allowing them to identify people by their smell
Explanation:
There are reports that dogs have 4 times more olfactory receptors than other animals. These animals have between 200 and 300 million olfactory receptors, it is a high figure when compared to the 5 million people have.
The dogs have turrets, which are covered by a mucosa with many folds. Thanks to these bone structures and these folds, the surface of their olfactory mucosa increases significantly and, consequently, their olfactory receptors also multiply
