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

بتنطق systole ازاي؟؟؟؟ 😃 #medicaltiktok #medicalenglish #howtopronounce #viralvideo #americanpronunciation #accent | Marwa Nawawy

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