WATER -Which Letter in the Diagram Corresponds to the System That

question 84

Short Answer

WATER

-Which letter in the diagram corresponds to the system that is the least efficient but is the most widely used because of its low cost?

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Definitions:

Narcotics

A class of drugs that dull the senses, relieve pain, and can induce sleep, often used medically for pain relief but also susceptible to abuse.

Chemical Structures

These are the arrangements of atoms in a molecule and the chemical bonds that hold the atoms together.

Axon

is a long, slender projection of a nerve cell that conducts electrical impulses away from the neuron's cell body.

Neurotransmitters

Chemical messengers that transmit signals across the synaptic space from one neuron to another in the brain.