Matter Is Composed of Elements, Which Are Composed of ________

question 1

Multiple Choice

Matter is composed of elements, which are composed of ________.

• A)atoms
• B)inorganic molecules
• C)organic molecules
• D)chemicals

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Definitions:

GABA

A neurotransmitter in the brain that inhibits nerve transmission, playing a key role in reducing neuronal excitability throughout the nervous system.

Inhibitory Postsynaptic Potentials

Negative changes in the membrane potential of a postsynaptic neuron, making it less likely to generate an action potential, hence inhibiting the neuron.

Central Nervous System

Comprising the brain and spinal cord, it processes information and is the primary control center for the body.

Hormones

Chemical messengers produced by the endocrine glands, these compounds regulate various physiological functions and behaviors.