Across
- 4. The part of the face or facial region in humans and certain animals thatcontains the nostrils and the organs of smell and functions as the usualpassageway for air in respiration: in humans it is a prominence in thecenter of the face formed of bone and cartilage, serving also to modifyor modulate the voice.
- 6. The contractile, circular diaphragm forming the colored portion of the eye and containing a circular opening, the pupil, in its center.
- 7. The expanding and contracting opening in the iris of the eye,
- 8. The posterior part of the eyeball that receives theimage produced by the lens, is continuous with the optic nerve, andconsists of several layers, one of which contains the rods and conesthat are sensitive to light.
- 10. It is your ability to see
- 12. Three bones in either middle ear that are among the smallest bones in the human body. They serve to transmit sounds from the air to the cochlea.
- 14. The organ of hearing and equilibrium in vertebrates, in humans consisting of an external ear that gathers sound vibrations, a
- 16. nerve Either one of the first pair of cranial nerves, consisting of sensory fibersthat conduct to the brain the impulses from the mucous membranes ofthe nose.
- 18. It is the organ of vision
- 19. It is the auditory portion of the inner ear. It is a spiral-shaped cavity receives sound in the form of vibrations. Then convert these vibrations into nerve impulses which are taken up to the brain to be interpreted.
- 21. Either of the two external openings of the nose
- 22. which light passes to the retina.
Down
- 1. A doubly convex, transparent body in the eye, situated behind the iris,that focuses incident light on the retina.
- 2. The usually movable organ in the floor of the mouth inhumans and most vertebrates, functioning in eating, in tasting, and, in humans, in speaking.
- 3. The dense inner layer of skin beneath theepidermis, composed of connective tissue, blood and lymph vessels, sweat glands, hair follicles, and an elaborate sensory nerve network.
- 5. Tiny hairlike projections from cells, which make lashing movements and help to propel a cell through its medium.
- 7. One of certain small protuberances concerned with the senses of touch
- 9. buds One of numerous small, flask-shaped bodies, chiefly in the epithelium of the tongue, which are the end organs for the sense of taste.
- 11. in which the vibrations resonate against the tympanic membrane,and a fluidfilled internal ear that maintains balance and that conductsthe tympanic vibrations to the auditory nerve, which transmits them asimpulses to the brain.
- 13. The faculty or sense by which sound is perceived.
- 15. To perceive the odor or scent of through the nose by means of theolfactory nerves; inhale the odor
- 17. To put the hand, finger, etc., on or into contact with (something) to feel it
- 18. A membrane in the ear canal between the external ear and the middle ear
- 20. nerve A cranial nerve, consisting of sensory fibers that conduct impulses from the retina to the brain.