Which statement is accurate about the cochlear duct? a. It detects linear acceleration of the head when the otolithic membrane bends the hair cells. b. It is filled with perilymph. c. It contains hair cells that convert sound waves into nerve signals. d. It contains a spiral organ that rests on a vestibular membrane.

Given below is the diagram of the human ear. Study the same and answer the questions that follow : Ear Drum Cochlea Oval window B (i) Give the biological term for the part labelled 'A' and state its function. (ii) Name the part labelled 'B' and state its function. (iii) Name the part labelled 'C' and state its function. (iv) Give the function of ear wax.

Describe how a sound signal is transduced in an auditory hair cell.

Which is the correct direction of tears folw in your eye's lacrimal apparatus?   A. lacrimal gland, lacrimal lacrimal canaliculi, lacrimal sac, nasolacrimal duct   B. nasolacrimal duct, lacrimal gland, lacrimal puncta, lacrimal sac   C. lacrimal gland, lacrimal puncta, nasolacrimal duct, lacrimal sac   D. lacrimal sac, lacrimal canaliculi, lacrimal gland, nasolacrimal duct What is the eye condition when you have inflammation (redness of the eye as well) of the part that secretes mucus for lubricating the eyeball?   A. cataracts   B. sty   C. glaucoma   D. conjunctivitis How many eye muscles control movement of an eye?  How many cranial nerves control these muscles?   A. 8, 5   B. 6, 5   C. 8, 3   D. 6, 3