Brain Chemicals, Such as Enkephalins and Endorphins, Which Regulate the Activity

question 15

Essay

Brain chemicals, such as enkephalins and endorphins, which regulate the activity of neurons are called __________.

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Definitions:

Conventional Oil

Petroleum extracted through traditional drilling methods, as opposed to unconventional sources like oil shale and tar sands.

Unstable Nucleus

An atomic nucleus that has excess energy and is in a state where it can undergo radioactive decay to reach a more stable form.

Stable Nucleus

An atomic nucleus that is not prone to radioactive decay and remains unchanged over time.

Earth's Crust

The outermost solid shell of the planet, known for being the layer on which we live and where most geological events occur.