Human Biology Trivia
How much blood does the
average human body contain?
6 liters. Gender, weight,
pregnancy, and other factors can
change this amount.
How much blood can the average
human lose and still survive?
2 liters. Speed of loss and other
factors can change this amount.
What percentage of people are
left-handed?
10%.
What is the longest a person has
ever lived?
Jeanne Calment of France is
reported to have lived 122 years,
164 days. The list of
supercentenarians is mostly
women and people from the US
and Japan.
Are there more males or females
born in the world?
The natural sex ratio for humans
is 105 boys born for each 100 girls.
As an affect of natural and
unnatural factors, the actual ratio
worldwide is 101 boys born for
each 100 girls.
What is the most children a
mother has had in her lifetime?
Reportedly, the first wife of Feodor
Vassilyev gave birth to 69
children, including sixteen pairs of
twins, seven sets of triplets, and
four sets of quadruplets.
How many people are there in
the world?
The world population passed 7
billion in 2012.
Who was the tallest person in
history?
Robert Wadlow of the US was 8ft.
11.1in. tall.
What are the odds of birthing
multiples?
Fertility treatments have increase
the odds, but naturally:
1/89 are twins
1/89^2 are triplets
1/89^n-1 are n-tuplets
How long can a person go
without oxygen?
Approximately 3 minutes.
How long can a person go
without water?
Approximately 3 days.
What is life expectancy?
How long can a person go
Average world life expectancy in
without food?
2010 was estimated to be 67.2
years. Life expectancy in the US is Approximately 3 weeks.
78.2.
What is the leading cause of
Do men or women live longer?
death in the world?
By nature, women tend to have
Heart disease causes 12.8% of
lower mortality rates at every age deaths (7.25 million).
and live longer on average. In the
What is the leading cause of
US, men live 75.6 years and
death in America?
women live 80.8 years.
Heart disease causes 29.34%.
What is the most children to be
born at the same time to the
How long does it take to fully
same mother?
digest food?
The most children conceived
Generally 24-48 hours.
naturally was 12. The most
How many times does the
children conceived with
average human heart beat each
intervention was 15. The most
day?
children born alive was 9. The
most to be born and survive is 8
100,800 times.
(octuplets).
How many times does the
average person breathe each
day?
18,000-30,000 times.
How many times does the
average person blink each day?
16,800 times.
What is the strongest muscle in
the body?
While there are different answers
depending on how one measures
strength, the masseter in the jaw
can bite with the force of 200
pounds.
What is the biggest bone in the
body?
The femur in the upper leg can be
over 19 inches long.
What is the smallest bone in the
body?
The stirrup, or stapes, in the ear
can be only .1 inches long.
What is the most common blood
type in America?
O+ = 37%, A+ = 34%, B+ = 10%.
Do humans have any senses
beyond the main 5: vision,
hearing, touch, smell, and taste?
• nociception = pain
• equilibrioception = balance
• proprioception/kinaesthesia =
acceleration,
• sense of time,
• thermoception = temperature
difference
What is the full scientific
classification for human beings?
Animalia, Chordata, Mammalia,
Primates, Hominidae, Hominini,
Homo, Sapiens
When did the first humans
evolve?
400,000 - 250,000 years ago.
NewSullivanPrep.com