Tings the hills have
What transports signals from the eye to the brain?
The optical nerve
These parts of the eye see black and white and color respectively (which is which?)
rods and cones
What does our brain have to do with the images it receives from our eyes to make it match the real world?
Flip it right side up
Why are alveoli relevant to alcohol?
Ethanol molecules can leech out into your breath through alcohol in your blood reaching the alveoli
Why does nicotine make you light-headed?
it can cause blood vessels to contract, depriving your brain of oxygen and raising your blood pressure.
Correctly define the cornea, pupil, and iris
The cornea is the outer protective layer, the pupil is a variable opening that controls the amount of light, and the iris controls the pupil with smooth muscles.
Are rods more common near or far from the fovea
Farther
What forms your blind spot?
The location where the optic nerve enters the retina
What is cirrhosis?
Long term damage done to your liver by drinking
What function of the lung is most inhibited by nicotine?
Self-cleaning with the cilla which are paralyzed by the nicotine, allowing tar and other residue to build up.
is the lense of the eye convex or concave?
concave
What three colors are received by the cones?
Red, Blue, and Green
what is an alcohol and what is the difference between ethanol and methanol
a carbon rich molecule with an OH group attached. Ethanol has two carbons and methanol has only one. Ethanol is from grain and methanol is from wood (will kill you)
Does ethanol promote or inhibit nerve and muscle activity?
Inhibit
Why does nicotine cause increased cancer risk?
It halts the destruction of damaged, cancerous, cells
Images are projected here onto numerous visual cells and neurons in this part of the eye
The retina
TAPETUM LUCIDUM does what?
It is the lining behind the rods and cones that makes some animal's eyes shine
What are yeasts and what of their functions do we take advantage of to get beer?
minuscule fungi, they consume sugar and excrete ethanol and CO2
What does nicotine act as in the brain and how?
A nerve toxin, it binds to and randomly sets of synapse receptors
When you look directly at something the image is projected on this part of the eye
The fovea
Who is more likely to be color blind?
men
What does your liver do with ethanol?
Why is nicotine addictive?
Releases dopamine in the brain, a chemical responsible for acting in reward centers of the brain, it can also directly bond to dopamine's destination in pleasure centers as well, eventually you stop producing enough dopamine on your own