Inside body has the blood circulation system. This system can subdivided into Small and Larg Circulation. The small circulation starts in the left ventricle and continue in the Pulmonary trunk, followed by the left and right pulmonic artery. Into the lungs, the arteries subdivided into smaller and smaller vessels, called the capillaries. This capillaries inside the lungs are connected with pulmonary vesicles, these two structures together are called the pulmonary alveolus. Into the pulmonary alveoli happens the gas exchange. The carbonic dioxide is exchanged for oxygen gas. After the capillaries, the small circulation ends the pulmonary veins and the right atrium.
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Hello! I couldn't help but notice the overarching scientific theme of your posts. Are you by any chance a medical student? I must point out that the small circulation starts at the right ventricle and ends, thereby, at the left ventricle which in turn pumps blood into the general i.e large circulation.
Hi, @Maniella. I’m a nursing student. what I learned about pulmonary circulation is its start into the left ventricle and ends at the right atrium. I'll read more about this. Thanks for your help 🙏🏼🥰