13:23 duration 13 minutes 23 seconds
Sound Travel Through the Ear
How does sound travel through the ear? frequency determines the speed and pitch determines the volume of the sound. hair cells are bent which stimulates action potentials.
03:13 duration 3 minutes 13 seconds
Eye Drops, Ear Drops and Nasal Drops
Proper administration technique for eye, ear and nasal drops. Questoin: How do you administer eye, ear or nasal drops?
