Question

dogs are very useful to us . Describe and explain any two senses in dog which make them very useful​

Answer 1

Answer:

Dogs have the same five senses as humans. However, some are more highly developed, and others are deficient compared with those of humans. Dogs’ sense of smell is by far the most acute and is immeasurably better than that of humans. Dogs are used for such tasks as tracking missing persons, digging underground, and tracing toxic substances, such as gases, that are undetectable by humans. Dogs can detect drugs, explosives, and the scents of their masters. Not all canine noses are the same, however. Some breeds, such as the German shepherd and the bloodhound, have much more keenly developed olfactory senses than others. One would not choose a short-nosed breed, such as the pug, to engage in tracking.Even in short-nosed breeds, however, the olfactory centre is relatively highly developed. It is arranged in folds in order to filter smells from the incoming air. Some rescue dogs are trained to follow a scent on the ground, and others are trained to scent the air. Both are able to distinguish one person from another even after a considerable passage of time. Hunting dogs—such as pointers, retrievers, and spaniels—are trained to scent birds and can distinguish one variety of bird from another.

Explanation:

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Answer 2

Answer:

dogs have excellent sense of smell. Hence dogs are used in various military and investigation operation to smell or to detect bombs or other harmful device. Dogs have alert sense of hearing and they can charge on unidentified or strangers hence dogs are used as guards at homes, airbases, military operations.