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Ear Diagram – Ear is one the five senses. The function of ear is very useful and important to our life. With the help of ear, we can hear voices and sound around us. However, the ability of our ear is limited. It is determined by the frequency as well as the distance of the sound source. If the frequency of the sound is too low or too high, it cannot be heard by human’s ear. And, if the distance of the sound source is too far, so it is impossible for human to catch that sound.
Is ear diagram labeled that important?
Let’s get down to the business. Well, our ear has three sections. They are outer ear, middle ear and inner ear. So, what is the most important section? All those three sections are very important for our life. Why? Without these three sections, the sound that cannot enters our ears, thus it cannot be heard. Otherwise, it cannot be heard well.
First, we will talk about the outer ear. In this section, there are pinna and the outer ear canal. Pinna is the part of our ear that can obviously be seen. Its use is to collect all sound in our surrounding so it can be heard. Without this part, sound will just pass by and not be heard. The outer ear canal is connected with the eardrum. It travels sound that has been collected by the pinna to the eardrum.
Middle ear is the other section that our ears have. Eardrum is the part of this section. In the eardrum, there are a very small hollow consisting of air and hearing bones such as hammer, anvil and stirrup. It this section, there is also Eustachian tube. Its function is to connect the middle ear and pharynx. Among the middle ear and the inner ear, there is fenestra ovalis and fenestra rotundra.
The last, the inner ear consists of cochlea, semicircular canal, sakulus and ultriculus. In the cochlea, there are two canals. They are vestibulat canal and tympanic canal. Those two canal contain perilymph.
In conclusion, ear diagram labeled is very essential for us to learn. It shows us how useful it is. Thus, we have to maintain and keep it healthy.