Questions & Answers
Browse all 20 questions from the
Statistics & Health Facts study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the approximate percentage of the human body that is composed of water?
2
On average, how many times does the human heart beat per minute in a healthy resting adult?
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A
20-40
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B
60-100
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C
120-150
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D
200-220
3
What is the standard number of teeth in a complete set of healthy adult human teeth?
4
Approximately what fraction of the human body's total bones are found in the hands and feet?
5
What is the probability, expressed as a range, that a person has blood type O (the most common type globally)?
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A
5-10%
-
B
15-25%
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C
40-50%
-
D
80-90%
6
What is the average human body temperature in degrees Celsius?
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A
32.5
-
B
37.0
-
C
39.5
-
D
41.0
7
Approximately how many liters of blood does the average adult human body contain?
-
A
1-2
-
B
5-6
-
C
10-12
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D
15-20
8
How many pairs of ribs does the average human have?
9
In a standard adult, what is the approximate number of lungs in the respiratory system?
10
What is the approximate average height of an adult human male in Australia (in cm)?
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A
160cm
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B
175cm
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C
190cm
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D
205cm
11
Which organ is statistically the largest in the human body by surface area?
-
A
Liver
-
B
Lungs
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C
Skin
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D
Brain
12
What percentage of the human brain is estimated to be fat?
13
How many chambers are located in a healthy human heart?
14
Roughly what portion of human DNA is identical among all human beings?
-
A
50%
-
B
75%
-
C
99.9%
-
D
25%
15
What is the average number of taste buds on a human tongue?
-
A
1,000
-
B
5,000
-
C
10,000
-
D
50,000
16
What is the approximate range of the human respiratory rate in breaths per minute for a healthy adult at rest?
-
A
2-5
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B
12-20
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C
30-40
-
D
50-60
17
What is the average lifespan (in years) of a human red blood cell?
-
A
20 days
-
B
60 days
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C
120 days
-
D
365 days
18
Approximately how many skeletal muscles are in the human body?
-
A
100-200
-
B
300-400
-
C
600-700
-
D
900-1000
19
How many vertebrae are in the human spine (including the sacrum and coccyx)?
20
What is the statistically most common blood type in the global population?
