France and the United Kingdom agreed to support Poland and in August of 1939, German troops began to gather on the Polish border. By September 1st, Germany launched an invasion of Poland.
The brachial plexus is a network of nerves that originate in the neck region and branch off to form most of the other nerves that control movement and sensation in the upper limbs, including the shoulder, arm, forearm, and hand.
(plÄkâ²sÉs). n. pl. plexus or plexÂ·usÂ·es. 1. A structure in the form of a network, especially of nerves, blood vessels, or lymphatics: the cardiac plexus; the pelvic plexus. 2.A combination of interlaced parts; a network.[New Latin, from Latin, braid, from past participle of.. pl. plexus or plexÂ·usÂ·es. 1. A structure in the form of a network, especially of nerves, blood vessels, or lymphatics: the cardiac plexus; the pelvic plexus. 2. A combination of interlaced parts; a network. [New Latin, from Latin, braid, from past participle of.