![]() Nose: Olfactory nerves in your upper nasal cavity send messages to your brain to help you distinguish an infinite number of smells.The tongue also helps you speak its movement inside the mouth helps form sounds that become words. Three nerves (facial, glossopharyngeal, and vagus) then send this taste information to the brain where it is interpreted. The tongue is covered in taste buds, which collect tastes. This is first treated with antibiotics but can require surgical removal of the tonsils, called tonsillectomy. Tonsillitis is a fairly common infection of the tonsils. They catch and kill germs that enter the body through the mouth. Tonsils are located in the back of throat and are part of the lymphatic system. Teeth also affect the shape of our mouth, facial expression, and the way we form words. They are used to grab, tear, chew, and grind food. There are 32 teeth in average adult’s mouth. Mouth: The mouth contains the teeth, tonsils, and tongue.This stimulates the optic nerve, which sends the information to the brain. Eyes: Light rays pass through the eye and refract through the vitreous humor, or liquid part of the eye. ![]() Other than hearing, your inner ears also help you keep your balance. Those signals are sent to the brain via the vestibulocochlear nerve. Sound waves travel through the ears and vibrate membranes and tiny bones. Ears: The outer, middle, and inner ear are responsible for collecting auditory information.Major sensory organs located in the head include: ![]()
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