Sinuses are air-filled spaces inside your skull that connect to your nose.
They are part of the Paranasal sinuses system.
🫁 What sinuses do
Sinuses are not just empty spaces—they have important functions:
💨 1. Help you breathe better
- They make your skull lighter
- Help air flow through your nose
🗣️ 2. Improve your voice
- Act like echo chambers
- Help give your voice its tone
💧 3. Produce mucus
- Trap dust, germs, and allergens
- Keep your nasal passages moist
🛡️ 4. Protect your body
- Filter out particles before they reach your lungs
🤧 What is sinusitis?
When sinuses get blocked or infected, it’s called:
Sinusitis
Common symptoms:
- Nasal congestion
- Facial pressure or pain
- Headache
- Thick mucus
- Reduced sense of smell
🧠 Why sinuses get blocked
- Colds or flu
- Allergies
- Dust or pollution
- Structural issues in the nose
🧾 Bottom line
Sinuses are air-filled spaces in your skull that help you breathe, speak, and protect your nasal system. When they become inflamed, they cause sinusitis, which leads to congestion and facial pain.
If you want, I can also explain:
- 🌬️ How to clear blocked sinuses at home
- 🤕 Sinus headache vs migraine differences
- 💊 Best treatments for sinus infection 👍