Question

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Answer 1

Answer:

(1) auditory ossicles. (2) foveal vision.(3) cones.(4) aqueos humar .(5) Nasopharynx.(6) auditory inner ear. (7) colour vision. (8) tears. (9) spiral organ.

Explanation:

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Answer 2

Answer:

• The ear drum vibrates in response to the sound waves and these vibrations are transmitted through the ear ossicles.
• The fovea is responsible for sharp central vision (also called foveal vision), which is necessary in humans for reading, driving, and any activity where visual detail is of primary importance.
• The twilight vision is the function of the rods.
• The ciliary body produces the fluid in the eye called aqueous humor. It also contains the ciliary muscle, which changes the shape of the lens when your eyes focus on a near object
• Eustachian tube connects the middle ear cavity with the pharynx, and the tube helps in equalizing the pressures on either sides of the ear drum.
• By the action of ciliary muscles, eye lens changes its shape to focus light on the retina. It becomes thinner to focus distant objects and becomes thicker to focus nearby objects.
• The ear drum vibrates in response to the sound waves and these vibrations are transmitted through the ear ossicles to the oval window, and the vibrations are passed through the oval window on to the fluid of the cochlea, where they generate waves in the lymphs.
• The daylight vision and color vision are functions of cones.
• The lacrimal glands continually releases fluid which cleanses and protects the eye's surface as it lubricates and moistens it. These lacrimal secretions are commonly known as tears.
• Hair cells located in the organ of Corti transduce mechanical sound vibrations into nerve impulses. They are stimulated when the basilar membrane, on which the organ of Corti rests, vibrates.