10 Useless Human Body Parts

Human sinuses are basically air-filled spaces found surrounding the nasal cavity in our face. What is the purpose of their existence now is subjected to much debate but when infected our sinuses causes much pain. Previously the paranasal sinuses were responsible for our heightened sense of smell that allowed our ancestors to hunt on daily basis and survive. However some believe paranasal sinuses serves a few possible functions like increase resonance of our voice, regulate pressure, lighten the weight in the front of our skull etc. Inflammation of the sinuses causes nasal irrigation and can even lead to cancer.