Posted in Biology, Class 10, Human Body, Science

Human Ear

1. Human Ear is a not only receives sound, but also aids in – balance and body position.

2. The ear is part of the – Auditory system.

3. The three parts of the ear anatomy are – The outer ear, The middle ear and The inner ear.

4. The outer ear consists of – the pinna, ear canal and eardrum.

5. The middle ear consists of – the ossicles and ear drum.

6. The inner ear consists of – the cochlea, the auditory (hearing) nerve and the brain.

7. The middle ear also connects to the upper throat via the – Eustachian tube.

8. The eardrum is a circle of thin skin about – eight to nine millimeters (one-third of an inch) in diameter.

9. The outer ear is the only visible portion of the – ear in humans and almost all vertebrates.

10. The stapes (Stirrup) bone is the smallest bone in the – Human body.

11. The human ear can generally hear sounds with frequencies between – 20 Hz and 20 kHz.

12. The function of the middle ear is Transforms sound waves into – Vibrations.

13. The function of the inner ear is Transmit vibrations to the – Brain.

14. The outer ear is called the pinna and is made of ridged cartilage covered by – Skin.

15. Otorhinolaryngology is the study of diseases of the – Ear, Nose, and Throat.

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