A New Theory of Autonomic Neurotransmission Says That Most Postganglionic

question 29

True/False

A new theory of autonomic neurotransmission says that most postganglionic fibers release two substances to transmit an impulse.

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Definitions:

Beta Particle

A high-speed electron or positron emitted by certain types of radioactive decay, representing high-energy, high-speed electrons.

Atomic Nucleus

The central core of an atom containing protons and neutrons, and around which electrons orbit.

Radioactive Material

A material containing unstable nuclei that emit radiation as they decay, including alpha particles, beta particles, and gamma rays.

Atomic Nucleus

The dense center of an atom, containing protons and neutrons.