Florida Basic Recruit Training Program High Liability (First Aid) Practice Exam

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Prepare for the Florida Basic Recruit Training Program High Liability First Aid Exam with our practice exam materials. Study effectively with multiple choice questions, hints, and explanations. Ace your exam confidently!

Practice this question and more.

What is the primary function of the circulatory system?

To break down food
To protect against diseases
To pump blood and deliver oxygen and nutrients
To control body temperature

The correct answer is: To pump blood and deliver oxygen and nutrients

The primary function of the circulatory system is to pump blood and deliver oxygen and nutrients throughout the body. This system is vital for maintaining homeostasis, as it ensures that all the tissues and organs receive the necessary substances to function properly. Blood carries oxygen from the lungs to the cells and picks up carbon dioxide to be expelled. Additionally, it distributes nutrients absorbed from the digestive system and helps in the removal of waste products. The effectiveness of the circulatory system directly impacts how well the body operates, as all cells rely on a constant supply of oxygen and nutrients to produce energy and perform their specific functions. Without this system, the body would struggle to maintain its vital functions, illustrating the importance of circulation in overall health and survival.