Because of the chemical nature of impulse and the axon-dendrite structure. Because of the chemical nature of impulse and the axon-dendrite structure. http://www.biologymad.com/nervoussystem/nerveimpulses.htm (Best technical explanation and excellent graphics and animations)
Newborns may sneeze, and this is typically attributed to the irritation of their nasal passages. The most common irritants, explains Dr. Iannelli, are smoke (and simply smoking outside is not enough), animal dander from pets in the house, dust mites, and mold.
Newborn reflexes are involuntary movements that babies make when a part of their body is stimulated. The main newborn reflexes include: Sucking reflex. A newborn sucks when a nipple or finger is placed in his or her mouth. Rooting reflex. When the side of a baby's cheek is touched, the head turns and his or her mouth reaches toward it. Traction response. When a newborn is