Asked Oct 8, 2019

All arteries carry oxygenated blood except the ___ trunk and its branches. 

Is it pulmonary? why?


Expert Answer

Step 1

The circulatory system of the cardiovascular system is largely divided into:

  • The systemic circuit, which includes the blood vessels between the aortic valve and the entrance to the right atrium
  • The pulmonary circuit, which includes the blood vessels between the pulmonary semilunar valve of the right ventricle and the entrance to the left atrium.

Blood vessels are part of the circulatory system that transports the blood to body tissues. They are classified into three main types, arteries, veins, and capillaries. Mainly arteries carry the oxygen-rich blood and veins carry the oxygen-poor blood. Capillaries are the small vessels that link the veins and arteries.

Step 2

In contrast to the systemic circuit, the arteries of the pulmonary circuit carry deoxygenated blood, because they carry the blood returning to the heart from the systemic circuit. Pulmonary trunk is the large artery of the pulmonary circuit which branches to several smaller arteries. Pulmonary trunk, left and right pulmonary arterioles, and branches carry deoxygen...

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