What is the function of a nucleus?
Store the cells DNA, maintain integrity, and facilitates its transcription and replication
How many nerve cells does the human body have?
86 billion
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What are the 3 main parts of the cell theory?
All organisms are made of cells, all existing cells are produced by other living cells, and the cell is the basic unit of life
How is a cell like a business or factory?
Cells have a division of labor
what does the dendrite do
receives communications from other cells
What did Theodore Schwann do for cells?
He discovered that all organisms are made of cells
Who is credited with naming the cell?
Robert Hooke
Where are nerve cells located?
All over your body, especially in your brain and spinal cord
what does the myelin sheath do?
allows electrical impulses to transmit quickly and efficiently along the nerve cells.
How was the cell found?
Robert Hooke was looking at cork under a microscope
Who founded the cell?
Robert Hooke
What is the function of a nerve cell?
Receive and send messages from the body to the brain and back to the body
What is the smallest cell in a human?
Sperm (the male gamete)
What year were cells founded?
1665
How would our brain look if we didn't have nerve cells?
Our brain would be mush
Are all cells the same?
No, our body has many functions that require different types of cells
What is the size of a nerve cell?
10-25 micrometers
what is the function of the nucleus
store the cell's DNA, maintain its integrity, and facilitate its transcription and replication.
What is another name for the nerve cell?
Neuron
What did Matthias Schleiden do for cells?
He discovered the the cell was the basic unit of a plants structure
Why was the cell named “cell”?
The tiny pores reminded Hooke of cells in a monastery
How much does a nerve cell grow a month?
1 inch
What is the biggest cell in a human?
Ovum (female gamete)
What did Virchow do for cells?
He discovered that a whole organism doesn't get sick, but only certain cells or groups of cells do