The Average IQ Score

question 35

Multiple Choice

The average IQ score

• A) is 100.
• B) is higher in men than in women.
• C) increases steadily from birth to old age.
• D) has been steadily declining over the last three decades.

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Definitions:

Breathing Process

The physiological process that involves the intake of oxygen and the expulsion of carbon dioxide from the respiratory system.

Circulatory System

The body's system responsible for the movement of blood and lymph, carrying nutrients and oxygen to cells while removing waste products.

Oxygen

A chemical element essential for life, commonly found in the Earth's atmosphere, and a key component of water and organic compounds.

Upper Respiratory System

The part of the respiratory system that includes the nose, nasal passages, pharynx, and larynx, involved in breathing and speech.