Intro to psychology / science

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Learning and memory researchers have discovered that :
A.) physical exercise promotes new cell growth, while mental ecercise only maintains exsisitng cells.
B.)stem cells can divide and mature throughout adulthood.
C.) age is the biggest limiting factor in the creation of new cells
D.)memory can improve with repetion, but learning has a curve which new cells do not change.

I am thinking B.

  • Intro to psychology -

    I think B.

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