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.
Causes of sinusitis. Sinusitis is caused by too much mucus, or a swelling of the lining of the sinuses and nose, which can block the narrow channels. This can occur during a cold, or may be due to allergy (for example, hayfever) or irritation of the linings of the sinuses (for example, from chlorine in a swimming pool).