The smallest arteries in the lungs that provide blood to the capillary networks that surround the lung air saccules are the

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The pulmonary arterioles are the smallest arteries in the lungs and provide blood to the capillary networks that surround the lung air saccules. The left and right pulmonary arteries bring blood to the lungs from the heart, while the pulmonary veins carry oxygenated blood back to the heart. The ascending aorta is a large artery that carries blood from the heart to the rest of the body. Alveoli are tiny air sacs in the lungs where gas exchange occurs.

The Smallest Arteries in the Lungs That Provide Blood to the Capillary