Chapter 8, Part B â The Spinal Cord! 13 Spinal Reï¬exes-Reï¬ex Arc Components! Spinal cord is the integrating center (âdecision makerâ) of a spinal reï¬ex arc!1. Sensory receptor!â¢ Responds to stimulus!â¢ Generates signal to be sent to integrator!2.
Betsy Ross was from the major colonial city of Philadelphia.
The Betsy Ross story was brought to public attention in 1870 by her grandson, William Canby, in a speech he made to the Historical Society of Pennsylvania. Canby and other members of Betsy's family signed sworn affidavits stating that they heard the story of the making of the first flag from Betsy's own mouth.