Column I | Column II |
A. Pinna | (i) Collects vibrations in the air which produces sound |
B. Ear canal | (ii) Passage for sound wave from pinna to ear drum |
C. Tympanic membrane | (iii) Transfers sound wave to ear ossicles |
D. Ear ossicles | (iv) Increases the efficiency of transmission of sound waves to the inner ear |
E. Cochlea | (v) Has hearing receptors |
F. Eustachian tube | (vi) Equalises the pressure on both sides of ear drum |
G. Auditory nerves | (vii) Impulse transfer from organ of Corti to auditory cortex in temporal lobe of cerebrum |