Pulmonary Circulation: Oxygenation of Blood 🫁🎗️🫀 . . Pulmonary and systemic circulation are two essential pathways in the cardiovascular system, each serving distinct functions: Pulmonary Circulation: Process: Deoxygenated blood is pumped from the right ventricle of the heart into the pulmonary arteries. Function: This blood travels to the lungs, where it undergoes gas exchange: it picks up oxygen and releases carbon dioxide. Result: The now oxygenated blood returns to the left atrium of the