ACE Personal Trainer Practice Exam

Question: 1 / 400

What is a primary function of the cardiovascular system?

To digest food

To facilitate gas exchange in the lungs

To deliver oxygen and nutrients to body tissues

The primary function of the cardiovascular system is to deliver oxygen and nutrients to body tissues. This system, which includes the heart, blood, and blood vessels, plays a crucial role in maintaining homeostasis within the body by transporting essential substances. The heart pumps oxygenated blood from the lungs through the arteries to various tissues, where the oxygen and nutrients can diffuse into the cells to support metabolic processes. Additionally, the cardiovascular system collects carbon dioxide and other waste products from the tissues and transports them back to the lungs and kidneys for removal.

Understanding this function is fundamental for recognizing how the body maintains its energy levels, supports growth and repair, and regulates bodily functions through the distribution of hormones and other vital substances.

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To provide structural support

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