A stem cell is a body cell. Basically any cell that isnt used for reproduction i.e., gametes.
The autonomic nervous system releases chemical messengers to influence its target organs
<span>When activity at a synapse correlates with the activity of other synapses, that synaptic connection is reinforced.
A person suffering from phantom limb pain following amputation may stop feeling pain after viewing a reflection of the remaining limb in a mirrored box.</span>
