Worksheets and No Prep Teaching Resources
Worksheets and No Prep Teaching Resources
Reading Comprehension Worksheets
What Is a Cell?



What Is a Cell?
Reading Level
     edHelper's suggested reading level:   grades 3 to 5
     Flesch-Kincaid grade level:   4.88

Vocabulary
     challenging words:    convert, genetic, trillion, provides, material, jelly-like, command, membrane, building, supplies, simple, organ, fluid, jobs, allow, holds


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What Is a Cell?
By Cindy Grigg
  

1     Cells are the building blocks of all living things. A cell is the smallest part of a living thing that carries out actions that keep the thing alive. Some living things are made of only one cell â" they are unicellular. People are multicellular. The human body is made of more than one hundred trillion cells!
 
2     Cells are usually placed into two groups. There are cells with a nucleus and cells without. Cells without a nucleus are very simple cells. Bacterial cells lack a nucleus. Plants and animals are made of cells that do have a nucleus.
 
3     All cells are filled with cytoplasm. This jelly-like fluid has many chemicals in it that help the cell stay alive. Cells are also classified as either plant or animal cells.

Paragraphs 4 to 9:
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