Yes, humans have two nostrils.
Based on the provided reference, the human body often develops features in pairs unless they are on the midline. This explains why we have two eyes, two ears, and, as stated, two nostrils. The reference specifically mentions, "we have a pair of every feature that is not mid-line in the body – so, two eyes, two ears, two nostrils."
Here's a breakdown:
Why Two Nostrils?
- Developmental Reasons: As mentioned, the formation of paired features is a typical developmental pattern in humans. This ensures a balanced, symmetrical structure.
- Evolutionary Advantages: Having two nostrils might provide a greater surface area for smelling and is beneficial for airflow into the respiratory system.
Summary of Nasal Features
| Feature | Number |
|---|---|
| Nostrils | 2 |
| Eyes | 2 |
| Ears | 2 |
| Mouth | 1 |
