how many cells are in our body?
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uncountable.....infinite
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Are you fascinated by the incrediblemachines around you? On a typicalday, you might ride in an automobile, talk on a smartphone, access the Interneton a computer, and watch a movie on a high-definition television.
While all of these machines are awesome examples of today's technology, they're not nearly as impressive as another complexmachine. What are we talking about? Your human body, of course!
None of those other impressivemachines would have any value if it were not for the human body's ability to use them. When you think about all the things your body does — much of it without any need for conscious input from you — it's clear that the human body is unmatched in its complexity and usefulness.
When you look closer at the human body, you realize it's made up of a wide variety of different and important parts. All of those parts share one thing in common: they're all made up of cells.
Cells are the tiny building blocks of life. Most of them are so smallthat they can only be seen through a microscope. How small are they? Cells vary in size based upon their type and function. Your human body, for example, has about 200 different types of cells. An average cellwould have a volume of just four billionths of a cubic centimeter with a weight of just one nanogram!
Given that tiny size, the human body must have a lot of cells in it. So just how many cells make up the average human body? Ready to start counting? Go!
Tired yet? Yes, it would be impossible for you ever to count the number of cells in the human body. First, you can't see them! More importantly, there are simply too many to count. Scientists, however, have used some advanced mathematics to calculate what they believe to be an average number of cells in a typical human body.
How could they do this? Some scientists have tried to estimatethe number of cells in the human body based upon the weight of the average cell and the weightof the average human body. Doing this simple arithmeticgave them an estimate of approximately 70 trillion cells!
Other scientists instead tried
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While all of these machines are awesome examples of today's technology, they're not nearly as impressive as another complexmachine. What are we talking about? Your human body, of course!
None of those other impressivemachines would have any value if it were not for the human body's ability to use them. When you think about all the things your body does — much of it without any need for conscious input from you — it's clear that the human body is unmatched in its complexity and usefulness.
When you look closer at the human body, you realize it's made up of a wide variety of different and important parts. All of those parts share one thing in common: they're all made up of cells.
Cells are the tiny building blocks of life. Most of them are so smallthat they can only be seen through a microscope. How small are they? Cells vary in size based upon their type and function. Your human body, for example, has about 200 different types of cells. An average cellwould have a volume of just four billionths of a cubic centimeter with a weight of just one nanogram!
Given that tiny size, the human body must have a lot of cells in it. So just how many cells make up the average human body? Ready to start counting? Go!
Tired yet? Yes, it would be impossible for you ever to count the number of cells in the human body. First, you can't see them! More importantly, there are simply too many to count. Scientists, however, have used some advanced mathematics to calculate what they believe to be an average number of cells in a typical human body.
How could they do this? Some scientists have tried to estimatethe number of cells in the human body based upon the weight of the average cell and the weightof the average human body. Doing this simple arithmeticgave them an estimate of approximately 70 trillion cells!
Other scientists instead tried
follow me
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