Which Statement Is True

question 39

Multiple Choice

Which statement is true?

• A) An organ will likely be composed of different tissues.
• B) Organs are composed of organ systems.
• C) Many molecules come together to form atoms.
• D) All organs in an organ system have the same function.
• E) The smallest living unit in the body is an atom.

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Definitions:

Brain Chemistry

Refers to the complex interactions of chemicals and neurotransmitters in the brain that affect mood, thought processes, and behavior.

Psychoactive Drug

A chemical substance that alters perceptions and moods.

Withdrawal

The process of reducing or stopping the use of a substance after prolonged and frequent use, often leading to uncomfortable symptoms.

Heroin

An opioid drug made from morphine, a natural substance taken from the seed pod of various opium poppy plants, known for its addictive properties.