Question

how the sense of blood hound dog is help to us?​

Answer 1

$\huge{\mathcal{\blue{Answer}}}$

Meet the bloodhound. Bloodhounds have a very, very good sense of smell. Researchers estimate that their sense of smell is at least 1,000 times stronger than a human's. The scent of the person creates an “odor image" (a sort of smell photograph) in the dog's brain.