21. Ear (Ear): hearing and balance
22 components of the ear. Human ears on each side is divided into three layers: 1. outer ear consists of the ear cartilage that covers 1.1. With thin skin And acts as a trap 1.2 sound into the ear ear tubes winding little depth of about 2.5 cm thin membrane lining the walls of the ear. And the marrow is full With oil glands Fat acts And sticky liquid Supply ear wax
23.1.3 eardrum is a thin membrane deep in the ear canal is between the outer ear and the middle ear. Acts of vibration. Sound waves travel into the ear
24.2. otitis media. The cavernous sinus and in contact with the pipe in contact with. Known as throat State Chien Yu tube (eustachian tube) This tube is normally closed, but while chewing or swallowing food. This pipeline will open up to the pressure two sides of the eardrum to equalize. The difference between the pressure The air inside the inner ear Central may cause the eardrum is pushed
25. ear bones contain Malleus (malleus), anvil bone (incus) bone stirrup (stapes) serves about 22 times more vibrations and send sound waves to the inner ear in the Oval Office.
26.3. ear Next to the stapes into the inner ear organ that contains two important parts: 3.1 The voice acting has been a small tube. The stacked coil Nautilus is a multi-layer Within the liquid contained in the inner wall of the pipe organ sound. General
27.3.2 Kazemi Cirque de la Canal. (Semicircular canal) is a three semicircular arc tube in the inner ear fluid contained within the tube. At the base of the pipe has fleshed out the called. Amtrak Pula (ampulla), which is within a cell. Feelings hair (hair cell), which is sensitive to the flow of fluids within the tube. By changing the head position and orientation of the body as the body moves. It stimulates the cells to do Previous awareness about balancing the transmission of nerve impulses along the nerves that exit
28. Nose (Nose): The smell
is the sense organ 29. nasal olfactory (chemoreceptor) within the nose (olfactory epithelium. ) cells olfactory (olfactor y cell), a neuron two terminals at dentrite have cilia act smell at the end axon to include cranial nerve pair 1 (olfactory nerve) concluded routes smell as the smell. - -> nose - -> olfactory cells
tongue 30. (Tongue): Taste
31. Tongue (Tongue) ☞ duty to taste a sense organ. Chemical sector ☞ surface of the tongue is a small bump called him Pillars (Papilla) Each button has taste buds (taste bud), each node consists of a taste cell (taste
32. Operating taste buds. When we went into the dining area to coat the taste buds to the taste cell. Experience the taste of food caused nerve impulses along nerve pair. The taste receptors in the tongue 7 and the tongue. And nine pairs of cranial nerves, which get a taste of the base of the tongue. Each taste buds Cells that are responsible for approximately 4-20 individual cells in taste buds to taste. Committee taste just fine only. There are four types of taste buds 1. Sweet taste buds. Near the tip of the tongue
33.3. Salty taste buds Near the tip of the tongue and the tongue of the salt molecule of salt, but some of it not so salty it. The taste is salty That is positively charged sodium ions is 4. Bitter taste buds at the base of the tongue caused by two types of compounds are organic substances. The substance is a long chain and alkaloids, such as caffeine, nicotine, it has discovered a new taste called umami (Umami), but has not been widely accepted. But not
34. Skin (Skin): The exposure
35. skin (skin) as a sense organ. More space than the other sense organs. There are many kinds of sense organs. The outer of nerves Scattered in different areas of the skin, the skin layer is divided into two films set machetes (epidermis) layer of the dermis layer over the top. It was the dead cells The rack-mounted The dermis layer of the cells are still alive in this class will end
on May 36. The comparative sensitivity. These sensory organs
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