Why are dog's noses wet?

Introduction

Dogs nose could be wet because dogs tend to lick them a lot.

Dogs nose could be wet because they secrete mucus.

Dogs wet nose helps them to cool down.

Dogs noses tend to pick up moisture.

Dogs noses could be born that way.

Dogs constantly lick their nose to keep clean.

When dogs lick their nose they leave it cool and wet.

Special mucous glands inside the dog's nostrils produce the clear, watery fluid that helps speed the cooling process.

 A dog's sense of smell is approximately one million times greater than ours.

The temperature of your dog's nose is a poor gauge of overall body temperature

Task