Washington Esthetician State Board Practice Exam

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What type of circulation is responsible for sending blood from the heart to the lungs?

Coronary
Systemic
Pulmonary
Hematological

The correct answer is: Pulmonary

The type of circulation that is responsible for sending blood from the heart to the lungs is known as pulmonary circulation. This process plays a critical role in the respiratory system, allowing for the exchange of oxygen and carbon dioxide. When blood is pumped from the right ventricle of the heart, it travels to the lungs via the pulmonary arteries. In the lungs, blood releases carbon dioxide, and absorbs oxygen, becoming oxygenated before returning to the heart through the pulmonary veins. Understanding this distinct function of pulmonary circulation helps clarify how the body's systems work together to maintain oxygen levels and support overall health. The other types of circulation mentioned, such as coronary (which supplies blood to the heart muscle), systemic (which delivers oxygenated blood to the rest of the body), and hematological (not a primary circulation system but relates to blood composition and function), underscore the complexity of the cardiovascular system but do not pertain directly to the pathway of blood to the lungs.