Question

A collects the sound waves. They enter into the B.Then they strike the C. The vibrations from tympanum reach the D, incus and E. The stapes transmits the vibration to the membrane of F. Then they transmit to G. The basilar membrane is moved then the vibrations reach the organ of H.

• A. A-External ear, B-Auditory meatus, C-Tympanum, D-Malleus, E-Stapes, F-Oval window, G-Cochlea, H-Corti.
• B. A-Corti, B-Cochlea, C-Tympanum, D-Malleus, E-Stapes, F-Oval window, G-Auditory meatus, H-External ear.
• C. A-Tympanum, B- Cochlea, C-Corti, D-Auditory meatus, E-Oval window, F-Stapes, G-Malleus, H-External ear.
• D. A-External ear, B-Auditory meatus, C-Malleus, D-Tympanum, E-Cochlea, F-Oval window, G-Stapes, H-Corti.

Answer 1

The correct option is A A-External ear, B-Auditory meatus, C-Tympanum, D-Malleus, E-Stapes, F-Oval window, G-Cochlea, H-Corti.

Sound waves enter the external ear (A) and travel through a narrow passageway called the ear canal or auditory meatus (B), which leads to the eardrum or tympanum (C). The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus (D), incus, and stapes (E). The stapes sends the vibrations to the cochlea (G), a snail-shaped structure filled with fluid, in the inner ear through the oval window (F). Once the vibrations cause the fluid inside the cochlea to ripple, a travelling wave forms along the basilar membrane and reach the organ of Corti (H).

So, the correct option is A