What do the colors on the flag of Norway mean? Credit: Thinkstock Images Stockbyte Getty Images. The Union Jack is composed of the flags of three patron saints layered one over the other. The central red cross on a white field is the flag of St. George, the patron saint of England.
Synaptic vesicles contain thousands of neurotransmitter. The  neurotransmitters are packed into a small membrane bound synaptic  vesicles. There are thousands of neurotransm â¦ itter molecules.
Information from one neuron flows to another neuron across a synapse. The synapse contains a small gap separating neurons. The synapse consists of: 1  a presynaptic ending that contains neurotransmitters, mitochondria and other cell organelles.