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Human Body Fun Facts Flashcards | StudBud
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Human Body Fun Facts
Human Body Fun Facts
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1
Goosebumps evolved to make our ancestors’ hair stand up, making them appear more threatening to predators.
True
False
2
Your nose and ears continue growing throughout your entire life.
False
True
3
How much of the human body is made of water?
35%
90%
75%
60%
4
A newborn baby has ________ bones, but a fully-grown adult has only 206.
350
240
320
206
5
How many cells make up the average adult?
400 billion
300 million
100 trillion
200 thousand
6
More than half the bones in the human body are in the ________________________.
Head and Shoulders
Hands and Feet
Arms and Legs
Back and Chest
7
How much of your hand strength comes from your little finger?
All of it
50%
20%
80%
8
Girls tend to have more taste buds than boys.
True
False
9
The largest bone in the human body is the femur which is located in your _____________.
Thigh
Arm
Chest
Foot
10
How much skin do humans tend to shed every hour?
800,000
600,000
400,000
200,000
11
Roughly how long is your small intestine?
23 feet
20 feet
21 feet
22 feet
12
On average, how many taste buds are on the human tongue?
5,000
2,000
8,000
10,000
13
Blood is a liquid organ.
False
True
14
On average, how many pounds of bacteria does a human carry in their body?
13
4
1
7
15
The heart beats about ________________ times in the average person's lifetime.
3 Million
3 Billion
3 Trillion
3 thousand
16
The outer layer of your skin, called the Epidermis, is thickest on what part of your body (1.5 mm thick)?
Face
Soles of the Feet
Flat of your Stomach
Palms of the Hands
17
The highest recorded "sneeze speed" is ________ miles per hour.
116
102
134
128
18
You can breath and swallow food at the same time.
False
True
19
How many days does your eyelash live for before it falls out?
25
100
50
150
20
You have anywhere from 60-100 miles of blood vessels in your body.
True
False
21
Everyone is colorblind at birth.
False
True
22
Food will get to your stomach even if you're standing on your head.
True
False
23
Every second, your body produces 25 million new cells.
False
True
24
The surface area of the lungs is approximately the same size as a tennis court.
True
False
25
Your _________ is the largest body organ.
Skin
Heart
Liver
Stomach
26
Every 15 seconds, you will have produced more cells than there are _______________ in the United States.
Homes
Pets
People
Restaurants
27
The smallest bone is the stirrup bone, which is located inside your ear drum.
False
True
28
Humans have both a unique fingerprint and a unique tongue print.
True
False
29
About ow many liters of air does a person breathe in every day?
10 million
111 thousand
1 thousand
11 thousand
30
All animals have chins
False
True
31
If all your blood vessels are set end-to-end they would travel around the world more than _____ times
1
2
4
3
32
A human nose can only detect about 100 thousand smells
True
False
33
Teeth are part of the skeletal system, but they are NOT considered bones.
False
True
34
Scientists are not exactly sure why we yawn, but think it may help regulate body temperature.
True
False
