Ear is one of the sensory organs and it consists of three major parts, i.e. outer, middle and inner ear.
• Outer Ear: It consists of pinna, ear canal, and eardrum.
• Middle Ear: It consists of ossicles and ear drum
• Inner ear: It consists of the cochlea, auditory nerve, and the brain.
Working of Ear:
When sound waves enter the outer ear, it enters into the ear canal, where it makes vibration on the ear drum. The vibration causes movement in tiny bones in the middle air called ossicles. The last bone, stapes, knocks on the membrane of inner ear cochlea, which moves the fluid in it. This movement of fluid triggers the hearing nerve, which send a signal to brain and brain interprets the signal.