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Compared with early examples of Homo sapiens,modern humans have
Ribose
A pentose sugar that is a crucial component of RNA (ribonucleic acid).
Glial Cells
In nervous tissue, cells that support and nourish neurons; they also communicate with neurons and have several other functions; also see astrocyte, oligodendrocyte, ependymal cells, and microglia
Neurons
Specialized cells in the nervous system that transmit information through electrical and chemical signals.
Negative Feedback System
A regulatory mechanism in which a change in a system's output acts to stabilize or reduce further change.
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