Endorphins Are _____

question 8

Multiple Choice

Endorphins are _____.

• A) neurotransmitters that function as natural opiates in producing pleasure and pain
• B) believed to be released mainly in the synapses of the fast pathway
• C) hormones that are involved the kinesthetic sense
• D) hormones that are involved in the vestibular sense

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Definitions:

Luster

The reflection of light from the surface of a mineral, especially its quality and intensity; the appearance of a mineral in reflected light.

Color

A property of light as seen by people, typically defined by its wavelength or frequency.

Crystals

Solid materials whose constituents, such as atoms, molecules, or ions, are arranged in a highly ordered microscopic structure.

Minerals

Naturally occurring inorganic substances with a definite chemical composition and crystalline structure, forming the building blocks of rocks.