Circulatory system of heart and lungs,computer artwork. The heart (centre) is a hollow muscle that pumps blood around the body. Oxygenated blood returns from the lungs in the two branches of the pulmonary vein (blue-violet). Also shown are the lobes of the lungs | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Pasieka, Alfred |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |