Abstract: Glandular saccus regions in proventriculus of 8 Bactrian camels from Nei Monggol Autonomous Region were studied on histology, histochemistry and electron microscopy.
Pierce J. Howard, another expert, says new research indicates that physical exercise increases the amount of certain brain chemicals that stimulate growth of nerve cells.
When something feels good, what we really mean is that certain cells in certain parts of our brain are responding to specific chemicals released by other cells in our brain.