**Signs of Upper Airway Resistance in Children** Even if your child is breathing through their nose, there are critical signs you should watch for that could indicate increased respiratory effort and upper airway resistance. 👃 **Nasal Flaring:** Noticeable widening of the nostrils with each breath. 🫁**Chest Retractions:** Visible sinking of the chest skin with each breath due to increased effort. 🔸 **Sternal Notching:** Depression or notch just above the sternum when breathing. These signs su