Skin and Nails
Having an open cut breaks this protective outer barrier, making it easier for pathogens to enter the body.
What is the skin (or epidermis)?
A fully developed adult human mouth normally contains this total number of permanent teeth.
What is 32?
Farren has this common vision condition, also called nearsightedness, making distant street signs look blurry.
What is myopia?
Sound waves traveling down the ear canal cause this membrane to vibrate first into the middle ear.
What is the eardrum (or tympanic membrane)?
Engaging in regular physical activity during the day helps promote this key aspect of nighttime rest.
What is deeper (or longer) sleep?
Squeezing a deep acne pimple forces oil, dead cells, and bacteria deeper into this middle layer of skin.
What is the dermis?
The three main structural divisions of a human tooth are the root, the neck, and this visible outer top section.
What is the crown?
This opening in the center of the iris expands or contracts to regulate how much light enters the eye.
What is the pupil?
Muffled hearing after a loud concert occurs when sensory hair cells inside this fluid-filled, snail-shaped organ become bent and fatigued.
What is the cochlea?
Medical guidelines recommend that teenagers aged 13–18 get this nightly range of sleep hours for healthy development.
What is 8 to 10 hours?
Characterized by abnormal cell growth from UV damage, this holds the rank of the most common cancer in the United States.
What is skin cancer?
While incisors cut and canines tear, premolars and molars share this primary mechanical chewing function.
What is grinding (or crushing) food?
Electronic screens emit this wavelength of light, which signals the brain to suppress sleep hormones before bedtime.
What is blue light?
The malleus, incus, and stapes are the three tiny middle-ear bones collectively known by this anatomical term.
What are the ossicles?
This neurological condition causes a person to experience sudden, uncontrollable episodes of falling asleep during waking hours.
What is narcolepsy?
Consisting of fatty tissue, blood vessels, and nerves, this innermost layer connects skin to underlying muscle and bone.
What is the hypodermis (or subcutaneous layer)?
Once contracted, this virus causes recurring cold sores because it remains dormant inside nerve cells for life.
What is Herpes Simplex Virus (or HSV)?
Located at the back of the eye, this light-sensitive tissue layer receives an inverted image before sending signals to the brain.
What is the retina?
This degree of hearing loss means an individual cannot hear human speech even when spoken very loudly directly into the ear.
What is profound hearing loss?
Characterized by temporary pauses in breathing throughout the night, this sleep disorder disrupts restorative sleep cycles.
What is sleep apnea?
Cutting these protective skin folds at the base of your fingernails removes a seal, creating an entry point for bacteria.
What are cuticles?
Setting a health resolution to "brush better" fails this SMART goal criteria because it lacks specific, detailed steps.
What is Specific?
This major sensory nerve carries visual electrical impulses from the retina directly to the brain's visual cortex.
What is the optic nerve?
This narrow channel connects the middle ear cavity to the throat to equalize air pressure on both sides of the eardrum.
What is the Eustachian tube?
Health organizations recommend that adults aged 18 and older get at least this minimum number of sleep hours per night.
What is 7 hours?