Aquatic Animals That Lack an Internal System for Transporting O₂

question 246

Multiple Choice

Aquatic animals that lack an internal system for transporting O₂

• A) often have thick bodies.
• B) are always large.
• C) may have a thick body built around a central cavity through which water circulates.
• D) have cells that are all close to the respiratory medium.
• E) have lungs that project outward into the water.

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Definitions:

Hysteria

An outdated term historically used to describe a wide range of psychological disorders characterized by exaggerated or uncontrollable emotion or excitement.

Thanatos

In Freudian psychology, a concept representing the death drive or instinct, which coexists with the life instinct (Eros) and drives aggressive and destructive behavior.

Psychic Epidemics

Phenomena in which large numbers of people begin to engage in unusual behaviors that appear to have a psychological origin.

Self-Hypnotic Suggestion

A technique of self-induction to reach a state of heightened suggestibility for personal improvement or therapeutic purposes.