El sistema endocrino usualmente actúa mediante regulaciones por retroalimentación negativa, ésto quiere decir que si pase por una situación de estrés mi cuerpo va a: *

Neurotransmitters are messengers responsible for communication between neurons. they are released from synaptic vesicles and are received by receptors.  the communication is referred to as neurotransmission. the following statement is true about neurotransmitters: a. they're stored in synaptic vesicles in the axon.

Ais the