Every muscle fiber is activated by a motor neuron.  The site…

Every muscle fiber is activated by a motor neuron.  The site where the motor neuron contacts the muscle fiber is called the [contact_point]. When depolarized, the axon vesicles release the [neurotransmitter] ( specific neurotransmitter-full word) which triggers muscle fiber depolarization.

Answer in a complete sentence in Spanish.  Use vocabulary an…

Answer in a complete sentence in Spanish.  Use vocabulary and grammar learned in lesson 1 and lesson 2.  If you use grammar and/or words not learned in lessons 1 & 2 will result in a failing grade (0%) for these questions. á  é  í   ó   ú   É  ¿  ñ   ¡ ¿Dónde está la libreria de tu universidad?