Skin, Hair, Teeth, & Nails
What is the name of the pigment responsible for giving skin and hair color?
Melanin
How many bones does the average adult human have?
206
What type of blood cells carry oxygen from your lungs to the rest of your body?
Red blood cells
What is the human body's largest organ?
The skin
How many hours of sleep should a teen get?
8 - 10 hours
What season do nails grow faster in?
Summer - grow faster in warmer weather
What are the bones that make up your spine called?
Vertebrae
What type of blood cells fight infections and diseases?
White blood cells
How many chambers does the human heart have?
Four
We spend about what % of our waking hours with our eyes closed?
10% - Blinking - that's about 10-20 times per minute
About how many inches a year does hair grow?
6 inches
What is the longest bone in the human body?
What is the medical term for high blood pressure?
Hypertension
What is the strongest muscle in the human body?
The jaw
On average, sneezes regularly exceed what speed?
100 MPH, while coughs clock in at 60 MPH
What is the most common hair color?
Black - Red is the rarest (only 1% of population)
Where is the smallest bone in the human body located?
In the ear
What is the medical term for the condition where your blood sugar is too high?
Hyperglycemia
What is the largest artery in the human body?
Aorta
Like fingers, what other part of our bodies also have a unique "fingerprint"?
Tongue
What is the hardest substance in the human body?
Enamel - even stronger than bone
What is the name of the "floating bone" in your throat?
The hyoid bone - it is the only bone that doesn't connect to any other bone. It is held in place by muscles and helps with speech and swallowing.
Which is the rarest blood type in humans?
AB Negative
How many muscles does it take to smile? (Roughly)
17 - and 43 to frown!
52