About 44,300,000 results
Open links in new tab
  1. Sense of smell - Wikipedia

    Sense of smell ... The sense of smell, or olfaction, [nb 1] is the special sense through which smells (or odors) are perceived. [2] The sense of smell has many functions, including detecting …

  2. How does the sense of smell work? What causes a smell ...

    Smell is a very direct sense. In order for you to smell something, molecules from that thing have to make it to your nose. Everything you smell, therefore, is giving off molecules -- whether it is …

  3. Olfactory System - Sense of Smell - ThoughtCo

    Apr 28, 2025 · The olfactory system helps us smell by detecting and processing molecules in the air. Our sense of smell is linked to taste, and it can also affect our memory and emotions.

  4. How the Chemistry of Smell Works and Why We Perceive Scents ...

    At its core, the sense of smell (also known as olfaction) is a chemical process. It begins when volatile molecules—tiny airborne compounds—enter your nose as you breathe. These …

  5. The Journey of Smell to the Brain: Text Version - NIDCD

    Mar 21, 2025 · Text version: Learn how smells make their way from the source to your brain, why this process is so important in your daily activities, and reasons you may experience changes …

  6. Physiology of smell: from odorants to perception | Kenhub

    Feb 6, 2025 · Overview of smell, which is one of the five special senses involving the transduction of chemical stimuli into electrical signals. The sense of smell, known as olfaction, is a …

  7. The Biology of Smell: How Does Our Sense of Smell Work?

    Our sense of smell, formally known as olfaction, allows us to perceive a vast array of chemical signals in our surroundings. It is one of our primary senses. This ability helps us interpret our …