Which Organ System Keeps Blood Constantly Supplied with Oxygen, Removes

question 60

Multiple Choice

Which organ system keeps blood constantly supplied with oxygen, removes carbon dioxide, and contains many air tubes?

• A) urinary
• B) endocrine
• C) respiratory
• D) circulatory

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Definitions:

League of Nations

An intergovernmental organization founded in 1920 after the Paris Peace Conference that ended the First World War, aimed at maintaining world peace.

Collective Security

A system in which a group of nations agree to act together to defend any member country that is attacked, aiming to maintain international peace and security.

Irreconcilables

A group of U.S. senators who opposed the Treaty of Versailles and U.S. membership in the League of Nations after World War I, fearing it would limit national sovereignty.

Treaty of Versailles

The 1919 peace treaty that ended World War I, imposing punitive conditions on Germany and redrawing the map of Europe, significantly impacting future international relations.