Which statement correctly describes the function of the circulatory system in the human body?

• A. The circulatory system is primarily involved in the production of hormones.
• B. The circulatory system is the main system for regulating body temperature.
• C. The circulatory system is responsible for transporting oxygen and nutrients to cells and removing waste products.
• D. The circulatory system is responsible for the breakdown of food into nutrients.

Answer: (C)

Verified step by step guidance

1. Identify the primary function of the circulatory system: The circulatory system is responsible for transporting substances throughout the body.
2. Understand the key components of the circulatory system: It includes the heart, blood, and blood vessels, which work together to circulate blood.
3. Recognize the substances transported by the circulatory system: These include oxygen, nutrients, hormones, and waste products.
4. Clarify the role of the circulatory system in oxygen and nutrient transport: Blood carries oxygen from the lungs and nutrients from the digestive tract to cells.
5. Explain the removal of waste products: The circulatory system also transports waste products from cells to excretory organs for elimination.