Which gas do animals consume during respiration?

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Prepare for the Virginia 7th Grade Science SOL Test. Incorporate flashcards and multiple choice questions, each with hints and detailed explanations. Ensure your success on the exam!

Multiple Choice

Which gas do animals consume during respiration?

Explanation:
Oxygen is the gas animals consume during respiration. Cells use oxygen in cellular respiration to break down glucose and release energy as ATP. This energy powers life processes, and the reaction also produces water and carbon dioxide as waste. That’s why we inhale oxygen and exhale carbon dioxide. Nitrogen is a major part of air but isn’t used in respiration; hydrogen isn’t taken in as a separate gas for this purpose, and carbon dioxide is the waste product, not a gas that’s consumed.

Oxygen is the gas animals consume during respiration. Cells use oxygen in cellular respiration to break down glucose and release energy as ATP. This energy powers life processes, and the reaction also produces water and carbon dioxide as waste. That’s why we inhale oxygen and exhale carbon dioxide. Nitrogen is a major part of air but isn’t used in respiration; hydrogen isn’t taken in as a separate gas for this purpose, and carbon dioxide is the waste product, not a gas that’s consumed.

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