Arkansas Esthetician Practice Exam 2025 – The Comprehensive All-in-One Guide to Master Your Certification!

The cardiovascular system is primarily responsible for transporting blood, oxygen, nutrients, and waste products throughout the body. The heart plays a crucial role as it pumps blood through the network of blood vessels. Veins are responsible for returning deoxygenated blood back to the heart, while capillaries are tiny blood vessels that facilitate the exchange of oxygen, carbon dioxide, and other substances between blood and tissues. These components work together to maintain the vital functions of the cardiovascular system, making this option the correct choice.

The other options include organs or systems that do not function primarily in blood circulation. The second choice lists organs involved in metabolic processes and waste filtration, the third choice focuses on the central nervous system, which is responsible for processing information and coordinating bodily functions, and the last option consists of muscles that are involved in movement rather than the transportation of blood and nutrients.