What is the primary function of the human circulatory system?

A To break down food into nutrients

B To exchange gases like oxygen and carbon dioxide

C To transport blood, oxygen, nutrients, and waste throughout the body

D To produce hormones that regulate body functions

✓ Correct Answer: Option C

The circulatory system, including the heart, blood vessels, and blood, is responsible for circulating essential substances like oxygen and nutrients to cells and carrying away waste products.

💡 Why is C) the correct answer?

The correct answer to the question "What is the primary function of the human circulatory system?" is Option C: To transport blood, oxygen, nutrients, and waste throughout the body.

The other options — A) To break down food into nutrients, B) To exchange gases like oxygen and carbon dioxide, D) To produce hormones that regulate body functions — are incorrect for this GED Exam Prep question. As explained above: The circulatory system, including the heart, blood vessels, and blood, is responsible for circulating essential substances like oxygen and nutrients to cells and carrying away waste products.

📚 About This GED Exam Prep Practice Question

This 1-level GED Exam Prep question from the Science topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free GED Exam Prep practice test or use flashcards for spaced repetition review.

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What is the primary function of the human circulatory system?

✓ Correct Answer: Option C

📚 About This GED Exam Prep Practice Question

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