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Define odour in one sentence. In another sentence state which of the five human senses it falls under.

Odour is the specific smell or scent that is perceived by olfactory receptors in the nose.

It falls under the sense of smell.

Define odour in one sentence.

Odour is a distinctive smell, especially one that is unpleasant.

Define odour

An odour is a distinct smell, either pleasant or unpleasant, that is perceived through the nose.

What is olfactory receptors

Olfactory receptors are specialized nerve cells located in the nose that are responsible for detecting and transmitting smells to the brain.