The two types of currents are direct current, which is abbreviated DC. And alternating current, which is abbreviated AC.
Answer:
b. neurotransmitters
Explanation:
Neurotransmitters are chemical substances released by axons that are the terminal parts of neurons, neurotransmitters are stored in membrane-bound synoptic vesicles at axon terminals. The neurotransmitter discharge happens when a nerve impulse reaches the end of the axons
Inversion how do I know well I looked it up
