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The diagram below represents the human ear.

(a) Name the parts labeled E, F and G
(b) How is each of the following adapted to its function?
(i) External auditory meatus
(ii) Ear ossicles
(c) Name one defect of the human ear.

Answer Text:
(a) - E;semi-circular canal
- F;oval window
- G; cochlea

(b) (i)- Meatus is lined with hairs which trap solid particles
- Hollow/narrow tube to direct sound waves to the tympanium

(ii)- Loosely attached to to transmit vibration
- Are suspended in the air by muscles to vibrate more freely

(c) - Partial deafness
- Permanent deafness
- Absence of pinna