Introduction:
Smell is one of the five senses of a human being and it is an important aspect of our daily lives. It helps us to detect certain scents, such as food, flowers, and perfumes. However, the question remains whether smell is a matter or not. In this response, we will explore the concept of matter and determine whether smell fits within this definition.

What is Matter?
Matter is defined as anything that has mass and occupies space. It can exist in various states, such as solid, liquid, and gas. Examples of matter include water, air, and rocks.

Is Smell Matter?
Smell is not considered matter because it does not have mass or take up space. Smell is a sensation that is created when certain molecules enter the nose and interact with the olfactory receptors. These receptors send signals to the brain, which then interprets them as a particular smell.

How does Smell Work?
To understand how smell works, we need to look at the process of olfaction. This process involves the following steps:

1. Odor molecules enter the nose through the nostrils.
2. The molecules dissolve in the mucus and bind to the olfactory receptors located in the nasal cavity.
3. The olfactory receptors send signals to the olfactory bulb in the brain.
4. The olfactory bulb processes the information and sends signals to other parts of the brain, which interpret the scent.

Conclusion:
In conclusion, smell is not considered matter because it does not have mass or take up space. It is a sensation created by the interaction of certain molecules with the olfactory receptors in the nose. While it is not matter in the traditional sense, smell is still an important aspect of our daily lives and helps us to experience the world around us.

No, smell is not matter. The particles by which smell arise that's matter .