Texas Esthetician License Practice Exam

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Prepare for the Texas Esthetician License Exam. Dive into flashcards and multiple-choice questions, each with hints and explanations. Boost your readiness for the test!

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What is the LAST part of the heart through which blood travels before exiting to all parts of the body?

Right ventricle
Left atrium
Left ventricle
Right atrium

The correct answer is: Left ventricle

The last part of the heart through which blood travels before being distributed to all parts of the body is the left ventricle. This chamber is crucial because it pumps oxygenated blood received from the left atrium into the aorta, which is the major artery that carries blood throughout the body. The process begins when oxygen-rich blood flows into the left atrium from the lungs. From the left atrium, blood moves into the left ventricle, which is designed with thicker walls than other chambers of the heart to create a stronger contraction force. This strength is essential for overcoming the higher pressure in the systemic circulation. Once the left ventricle contracts, it ejects the blood into the aorta, enabling it to travel through the arteries and deliver oxygen and nutrients to body tissues. Therefore, the left ventricle plays a vital role in maintaining an efficient and effective circulatory system.