These cells divide regularly providing a fresh crop of sensory neurons to replace those that die in the olfactory epithelium
What is the purpose of basal cells
100
The point on the retina where approximately 1 million axons converge on the optic nerve
What is the blind spot
100
Why is hearing unlike the other senses
What is solely mechanical
100
Touch, pressure, pain, and ________ ________ are sensations that can be felt
What is temperature change
200
The facial, glossopharyngeal, and vagus are what kind of nerves used to taste things
What are cranial nerves
200
No more than 40% of mammalian genome odor receptors are functional in humans, the rest are pseudogenes
-More of this animal's odor receptors and genes are specifically targeted at one thing
What is the reason dogs are better at detecting odors than we are
200
This can be corrected by removing the cloudy lens and replacing it with a plastic one
What are cataracts
200
The eardrum is also known as _______
What is the tympanic membrane
200
The side of tongue and fingertips
What are the parts of body with most nerve endings and therefore most sensitive
300
The most abundant and most common type of papillae used for gripping
What are filiform papillae
300
The terms used to describe the movement of sperm towards a certain chemical
What is chemotaxis
300
Choose between rods and cones: these are sensitive to light
What are rods
300
The Eustachian tubes connect to this part of the pharynx
What is the nasopharynx
300
A heart attack or inflamed appendix are examples of what type of pain
What is visceral pain
400
This part of the tongue tastes sweet things
What is the front of the tongue
400
Bromhidrosis is body odor caused by_____
What is bacteria growing on the body?
400
This system works with the eye to recognize the object being viewed
What is the nervous system
400
Besides hearing, the ear's other function is ____
What is your sense of balance
400
Touch is found all over, not just on a specific part of your body
What is the reason your sense of touch is different than all other senses
500
Pain sensitivity, temperature, and ____ contribute to the food tasting experience
What is texture
500
• Identify food, mates, predators, provides sensual pleasure (like flowers) and warnings of danger (spoiled food)
• Important in how our environment communicates with us
What are some functions of smell
500
This part of the eye admits light to the interior of the eye and bends the light rays to that they can be brought to focus
What is the cornea
500
The tensor tympani and stapedius are_____
What are muscles found in the ear
500
Pain receptors protect you by warning your brain that they body is hurt
What is the reason pain receptors are the most important of the types of receptors