Lungnasirkulasi

Lungnasirkulasi, also known as pulmonary circulation, is a vital component of the cardiovascular system responsible for the movement of blood between the heart and the lungs. Its primary function is to oxygenate blood and remove carbon dioxide, a waste product of cellular metabolism.

The process begins when deoxygenated blood from the right ventricle of the heart is pumped through the pulmonary arteries toward the lungs. These arteries branch extensively within the lungs to reach the alveoli, tiny air sacs where gas exchange occurs. In the alveoli, blood releases carbon dioxide into the lungs to be exhaled and absorbs oxygen from inhaled air, becoming oxygen-rich.

Oxygenated blood then returns to the heart via the pulmonary veins, emptying into the left atrium. From there, it is pumped into the left ventricle and subsequently distributed throughout the body via the systemic circulation. This cycle repeats continuously, maintaining adequate oxygen supply to tissues and organs.

Lungnasirkulasi plays a crucial role in respiratory and circulatory functions, ensuring that blood is properly oxygenated and that waste gases are eliminated efficiently. It is distinguished from systemic circulation, which distributes oxygenated blood from the heart to the rest of the body. Proper functioning of pulmonary circulation is essential for maintaining overall respiratory health and metabolic activity.

Conditions affecting lungnasirkulasi, such as pulmonary hypertension or embolism, can impair oxygen exchange and have significant health implications. Treatment strategies aim to address these issues to restore effective pulmonary blood flow and gas exchange.