100hundre point and brainliest to correct answer, if you dont give an appropriate answer them your answer will be reported and removed. Today, scientists can study human cells grown in petri dishes. Explain how this technique builds on the work of early scientists

when scientists just found out that cells made every living thing, they wanted to concentrate on the many types and variation of a cell. They did this by isolating the cell in a petri dish, and it is still used today.

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after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .