21. Ears (Ear): hearing and balance
22 components of ears, the ears of people on each side divided into 3 I 1. Outer ear consists of 1.1 ear. A cartilage covered with thin skin, duty and sound trap is made into the ear 1.2 ears are slightly crooked pipe wall of hole depth of about 2.5 cm ear lining with membrane and under soft tissue filled with the water it is made acting drive fat. Sticky and liquid to nourish the auditory canal, solve
23.1.3 tympanic membrane is a thin membrane is deep in the auditory canal barrier between the external ear and middle ear. Function receive the vibrations is made. Waves that travel into the auditory canal
24.2.The middle ear. There is a niche, in contact with the nasal cavity and pharynx tube in contact with the called ท่อยูส te Qian (eustachian tube) normal pipe. Off, but while chewing or swallowing. This pipeline will move the opening to adjust the pressure 2.The difference between the pressure. Outside air and inside the ear. In May is made to the eardrum is pushing
.25. Matter consists of bone hammer (malleus) incus (incus) stapes (stapes) duty, increase the vibrations, about 22 imaginable. It sent waves, sound to the inner ear through the oval
26.3.The inner ear is next to the stapes. Come, my ear is composed of organs. สำา important 2 parts is 3.1 part is made functional sound is a small pipe coil overlap, are many similar centrifugal Liquid contained within the tube. The inner wall of the tube, is based on cochlear is general
27.3.2 semicircular canal (semicircular canal) is similar to a semicircle tube 3 circle curve. In the inner ear in ท่อมี liquid filling. At the base of the tube is bubbling out called the ampulla (ampulla) within the cell. The feeling with hair (hair cell).The flow of liquid inside the tube. Change ตำา position head and direction to rest of the body by the body movement to stimulate the cell is made, duty perception of balance. To send.
.28. The nose (Nose): it smells
29.The nose is the sense organs of smell (chemoreceptor) within the lining of the nose (olfactory epithelium) is เซลล์รับ smell. (olfactor Y cell), which is 2 neuron polarity at the end of the dentrite have cilia is made functional. Smell. At the end of the axon will include a nerve.1 (olfactory nerve) summary route smell, the smell - - > the lining of the nose - - > olfactory cell
.30 tongue (Tongue): taste
31.Tongue (Tongue) is made ☞ functions in taste, by a sense organs, chemical type ☞ surface area link will tubercle called papillae (Papilla). Each button has the taste buds (taste bud), each of which is assembled with blister cell taste (taste
32.To do the work of the taste buds. When we eat in the taste bud cells to get touch with fur spicy taste of food. Neural currents along the nerve pairs. 7 which taste the tip of the tongue and tongue.9 which taste from the base of the tongue by each taste bud cells that is made, there will be a duty to taste about 4-20 cells, each taste bud taste will definitely get the job only one flavor. The taste buds are 4 type is 1.The taste buds on the tip of my tongue 33.3 sweet salty blister
. At the tip of the tongue and the receive side tongue, caused part of salt, but some salt type not salty because. The salty taste is part of a positive charge is the sodium ion 4.Blister get bitter on the base of the tongue was born from the substance 2 types. The organic compounds with molecular length and the alcohol substance Ka Lloyd, such as caffeine, nicotine. The discovery of new flavor called umami (Umami), but not yet.But
.34 skin (Skin): with touch
35.Skin (skin) a sense organ. More space than the other sense organs The sense organs, many of which. Consists of end of the nerves. Scattered in the area of skin. Skin layer is divided into 2Above the layer of the dermis by floor is at the top, it is the dead cells. The floors next to the layer of the dermis are cells that have Live in this class will end by
.36. Up to compare the sensitivity. Effect of sensory organs.
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