Arteries and Veins: Life in the Heartbeat 🫀 . . Arteries and Veins: Life in the Heartbeat The cardiovascular system is a dynamic network that relies on arteries and veins to maintain circulation. Here’s how they function within the heartbeat cycle: Arteries Function: Carry oxygenated blood away from the heart (except for pulmonary arteries, which carry deoxygenated blood to the lungs). Structure: Thick, elastic walls that can withstand high pressure from the heart's contractions. Role in Heartb

Cardiac cycle - Animated Concise Dictionary of Cardiology

Semilunar valves are crucial heart valves located between the ventricles and major arteries. They prevent the backflow of blood after ventricular systole and ensure smooth, one-way circulation. This infographic explains their structure, function, and the role of the pulmonary and aortic valves in maintaining an efficient heartbeat. #HumanHeart #SemilunarValves #biologynotes #AnatomyNotes #NEETBiology | InfoPic Notes