Biology CLEP Prep Practice Exam

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Prepare for the Biology CLEP Test with comprehensive flashcards and multiple choice questions. Each question comes with explanations and hints to ensure a full understanding. Boost your exam readiness today!

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is the main function of the circulatory system?

  1. ransport of oxygen and nutrients to cells

  2. ransport of oxygen and carbon dioxide

  3. roduction of hormones

  4. egulation of body temperature

The correct answer is: ransport of oxygen and nutrients to cells

The main function of the circulatory system is to transport oxygen and nutrients to all cells in the body. This allows for the cells to function properly and maintain overall body health. Option B is incorrect because the circulatory system does not primarily transport carbon dioxide, although it does play a role in its transportation. Option C is incorrect because hormone production is primarily regulated by the endocrine system, not the circulatory system. Option D is incorrect because the regulation of body temperature is primarily controlled by the nervous system and skin, not the circulatory system. Therefore, option A is the best answer as it accurately reflects the main function of the circulatory system.

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