The Senses Flashcards
(31 cards)
What are the 5 primary senses
smell, touch, taste, sight, hearing
What are the three types of receptors?
chemoreceptors, photoreceptors, mechanoreceptors
Which senses use chemoreceptors?
taste and smell
Which senses use photoreceptors?
sight
Which senses use mechanoreceptors
hearing and touch
What part of the eye adjusts your focus?
the lens
What part of the eye controls the amount of light that enters the eye?
the pupil
What part of the eye controls the pupil?
the iris
What part of the eye receives the light and contains the rods and cones?
the retina
What type of photoreceptor perceives color?
the cones
What type of photoreceptor perceives tone and depth?
the rods
What colors does the eye perceive?
red, blue, and green
Where is a visual image processed in the brain?
the visual cortex
What is the sense of smell called?
the olfactory sense
Where are the olfactory chemoreceptors located?
In the olfactory bulb, inside the nasal cavity
How many olfactory neurons are there?
About a 1000
How many unique smells can the human body distinguish?
Over 4000
What is the term that refers to the different combinations of olfactory neurons that a molecule can trigger?
combinational diversity
What are the pieces of the inner ear?
the pinna, the ear canal, and the ear drum
What are the three bones in the middle ear?
The hammer, anvil, and stirrup
What is the snail-shaped structure that contains the mechanoreceptors that translate vibration into action potentials?
the cochlea
What is the cortex that translate the signal from the auditory nerve?
the auditory cortex
What is the purpose of the three bones of the ear?
to increase the vibration received from the ear drum
What is your sense of smell called?
your gustatory sense
