How Does Our Body Maintain 100 Trillion Cells?

Unit 5: Mitosis
Lesson 2 of 3

Objective: SWBAT explain the growth rate of cells.

Big Idea: We have as many as 100 trillion cells in our body. We lose as many as 30,000 skin cells an hour. How does our body maintain such a large number of cells?

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Subject(s):
Science Skills, Science, mitosis, cells, cell division, literacy in science
  65 minutes
one grain of rice
 
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