How many sence organ in human body ? What is human ear?

              Human Ear

 In human body there are five sense organ, one of them ear, it is very important sense organ. The structure of human ear basically divided into three parts.

          

            (a). Outer ear

            (b). The middle ear

            (c). The inner ear

  

(a). Outer ear = Outer ear generally  made from pinna and ear Canal. Pinna can be visible by outside and ear Canal is about 2  cm long which is visible in the opening. The function of outer ear is to catch the sound wave and to side waves to middle ear.

(b). Middle ear = Middle ear generally separated from the ear Canal by membrane called the eardrum.  Or tympanic membrane.  It comist of three connected bones called hammer, anuil and stirrup. The function middle part of ear to trammit waves to the inner ear.

   

   

(c). Inner ear = The third part of human ear is consist of cochlea, it is a liquid-filled coiled tube. This cochlea is generally connected with stirrup.  It has hair like structure which connected to the auditory nerve . Which send waves in to the brain.