our teeth are as strongh as S______ (a metal)
this external body part is home to millions of bacteria
HANDS
Through evolution, male bodies tend to have denser and heavier _________ than female bodies.
BONES
Average human heartrate?
60-100 bpm
this is ONE of the strongest muscles in your body (but not THE strongest)
TONGUE
the human belly button can contain more than _________ different species of bacteria...
2000
SWEAT
Average human body temperature?
37 * C
this blood flow to the face is a result of adrenaline
BLUSHING
the average human sheds about 1.5 pounds of _____________ each year
DEAD SKIN
What is the biggest bone in the human body?
FEMUR
Average blood pressure?
120/80 mmHg
HAIR
Your stomach acid is strong enough to break down some metals. It is mainly composed of this acid:__________________________
HYDROCHLORIC ACID
Who has more bones - babies or adults?
BABIES
Average length of small intestine?
18 feet OR 6 meters
this is excreted to break down your food (can happen even before the food enters your mouth!)
SALIVA (aka drool)
On average, a person "passes gas" about ____ times a day!
14
Just like fingerprints, everyone has a unique ___________ print
TONGUE
How fast can a sneeze travel?
100 mph OR 160 km/h