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@polashmoni10: জুম্মা মোবারক 🕋🥰
🥰 Polash + Moni❤️
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Friday 30 September 2022 03:15:48 GMT
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MA AWLAD HUSSAIN :
🥰🥰🥰
2022-09-30 09:28:17
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The human circulatory system operates via double circulation, split into the pulmonary loop (to the lungs) and the systemic loop (to the rest of the body). 1. Right Side: The Pulmonary Loop (Deoxygenated Blood) Vena Cava: Oxygen-poor blood returns from the body tissues and enters the right atrium through the superior and inferior vena cava.Right Atrium: The chamber contracts and pushes the blood down through the tricuspid valve.Right Ventricle: This lower chamber pumps the deoxygenated blood through the pulmonary valve into the pulmonary artery.Lungs: The pulmonary artery carries the blood to the lungs, where it releases carbon dioxide and absorbs fresh oxygen. 2. Left Side: The Systemic Loop (Oxygenated Blood) Pulmonary Veins: Newly oxygen-rich blood leaves the lungs and travels back to the heart, entering the left atrium.Left Atrium: The chamber contracts, pushing blood through the mitral (bicuspid) valve. Left Ventricle: This thick, muscular chamber forcefully pumps the oxygenated blood through the aortic valve into the aorta. Aorta & Body: The aorta distributes the blood through arteries and capillaries to sustain organs and tissues. Once oxygen is dropped off, veins carry the deoxygenated blood back to the vena cava to repeat the cycle.Major Components to RememberArteries: Carry blood away from the heart (typically oxygenated, except the pulmonary artery. Veins: Carry blood toward the heart (typically deoxygenated, except the pulmonary veins). Valves: Four one-way structures that prevent the backward flow of blood. #circulatorysystem #oxygen #viral #explore #fy
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