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Chemical Substances That Affect the Functioning of Distant Body Systems

question 51

Multiple Choice

Chemical substances that affect the functioning of distant body systems and sometimes act as neuromodulators are known as


Definitions:

Liters

A metric unit of volume equal to 1,000 cubic centimeters or approximately 0.264 gallons.

Gram

A mass measurement in the metric system, equivalent to 0.001 of a kilogram.

Kilogram

The base unit of mass in the International System of Units (SI), equivalent to the mass of the International Prototype of the Kilogram.

Kilometer

A unit of measurement equal to 1,000 meters, commonly used to measure distances.

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