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Body System Fun Facts Flashcards | StudBud
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Body System Fun Facts
Body System Fun Facts
20 terms
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Interesting facts about the human body
Flashcards
20 cards
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Questions
20
Answers
1
The average person pees _________________ times a year.
600
900
3000
2000
2
Getting less than ____________ hours of sleep a night can affect your immune system
7
8
5
6
3
The average adult has ____________ pints of blood
6
7
8
9
4
The average adult digestive system is _____________ feet long
30
10
20
40
5
Only __________ percent of the brain cells are in use at one time
20
60
50
4
6
It takes 17 muscles to smile, and __________ to frown
42
17
10
36
7
It takes ______________ seconds for the food to travel through the esophagus to the stomach
5
2
7
12
8
Your Kidney filters ____________ liters of blood per hour
78
2
36
108
9
Our bodies take __________ years to completely remake our skeletal system.
2
7
4
1
10
The average persons heart beats _____________ times in their life
3 million
3 thousand
3 billion
3 trillion
11
Over ____________ the bones in your body are in your hands and feet.
3/4
1/4
1/2
1/3
12
The average person has _______________ species of bacteria living in their colon
40
400
4,000
4,000,000
13
At birth we have _________________ brain cells
10 trillion
10 million
10 thousand
10 billion
14
The average person produces _______________ pounds of solid waste in a year.
100
200
400
300
15
We lose about ___________ ounces of water a day by breathing
16
5
32
12
16
One drop of blood has ______________ red blood cells
5 thousand
500
5 billion
5 million
17
Your brain uses _____________ percent of the oxygen in your body.
40
20
30
10
18
If you stretched out the entire cardiovascular system, it would stretch _____________miles
600,000
60
6,000
60,000
19
The intestinal tract is ______________ meters long
4.5
20
8.5
2
20
What percent of your brain is fat?
50
60
25
85
