New Jersey State Board Esthetics Exam 2025 – 400 Free Practice Questions to Pass the Exam

The circulatory system is the body system specifically tasked with delivering blood and nutrients throughout the body. This system comprises the heart, blood vessels, and blood, which work together to transport oxygen, nutrients, hormones, and waste products to and from cells. The heart pumps blood through a network of arteries and veins, ensuring that all body tissues receive the necessary substances they need to function properly.

By contrast, the other systems mentioned have different primary roles: the nervous system primarily coordinates bodily functions and responds to stimuli; the digestive system is responsible for breaking down food and absorbing nutrients; and the respiratory system manages the exchange of gases, particularly oxygen and carbon dioxide. Each of these systems is vital for overall health, but it is the circulatory system that plays the key role in nutrient and blood distribution throughout the body.