Hawaii Massage License Practice Exam

Which of the following best describes the function of the cardiovascular system?

1. Supply of nutrients

2. Waste removal

3. Hormone distribution

4. All of the above

The correct answer is: All of the above

The cardiovascular system plays a crucial role in maintaining homeostasis within the body by performing several essential functions. It is responsible for the circulation of blood, which is vital in supplying nutrients, oxygen, and hormones to cells, as well as removing waste products such as carbon dioxide and metabolic byproducts. Nutrient supply is critical for cellular function and energy production, and the cardiovascular system facilitates this by transporting nutrients absorbed from the digestive system through the bloodstream. In addition to nutrient transport, the system aids in hormone distribution by delivering hormones released by glands directly into the bloodstream, ensuring that they reach their target organs or tissues for regulating various physiological processes. Furthermore, the removal of waste is another key function, as the cardiovascular system helps transport waste products to organs such as the kidneys and liver for detoxification and excretion. Thus, the comprehensive nature of the cardiovascular system encompasses all these functions – supplying nutrients, removing waste, and distributing hormones – which is why the statement encompassing all of these aspects is the most accurate representation of its role in the body.