Parts of the Nervous System. show/hide words to know. 1  Central nervous system (CNS): a part of the nervous system which includes the brain and spinal cord. 2  Parasympathetic nervous system: the part of your nervous system that unconsciously controls your organs and glands when your body is at rest.
Sinus infection (sinusitis) is caused by allergies, infection, and chemicals or other irritants of sinuses. Signs and symptoms are headache, fever, and facial tenderness, pressure, or pain. Treatments of sinus infections are generally with antibiotics and at times, home remedies.
But the cause of the blockage is sometimes trickier to figure out. Here are 13 things that can cause an acute sinus infection (the most common type) and, in some cases, lead to a chronic sinus infection. 1 of 15. View as one page.