字幕表 動画を再生する 英語字幕をプリント >> THE NORMAL HEART HAS TWO SIDES, A RIGHT SIDE AND A LEFT SIDE-- AND FOUR CHAMBERS, THE TOP RECEIVING CHAMBERS OR ATRIA, AND THE LOWER CHAMBERS, WHICH ARE THICK-WALLED PUMPING CHAMBERS, CALLED VENTRICLES. A RED BLOOD CELL WILL COME FROM EITHER THE SUPERIOR VENA CAVA OR THE INFERIOR VENA CAVA AND ENTER INTO THE RIGHT ATRIUM. THE BLOOD THEN FLOWS ACROSS THE TRICUSPID VALVE TO THE RIGHT VENTRICLE. THE RIGHT VENTRICLE THEN SQUEEZES AND EJECTS THAT BLOOD CELL INTO A VESSEL CALLED THE "PULMONARY ARTERY." THE PULMONARY ARTERY SPLITS INTO TWO VESSELS EACH GOING TO THE LUNGS. AS THAT RED BLOOD CELL MAKES ITS WAY THROUGH THE LUNG, IT RETURNS THROUGH THE PULMONARY VEINS TO THE LEFT ATRIUM. THAT BLOOD IS NOW OXYGENATED. IT'S PICKED UP OXYGEN THEN GOES ACROSS THE MITRAL VALVE INTO THE LEFT VENTRICLE, WHICH DOES MOST OF THE WORK IN TERMS OF DELIVERY OF BLOOD FLOW TO THE BODY. THAT BLOOD CELL IS NOW EJECTED INTO THE AORTA TO SOME ORGAN OR MUSCLE OR SKIN IN THE HUMAN BODY.
B2 中上級 正常な心臓がどのように血液を汲み上げるか - フィラデルフィア小児病院 (How a Normal Heart Pumps Blood -- The Children's Hospital of Philadelphia) 201 10 Bing-Je に公開 2021 年 01 月 14 日 シェア シェア 保存 報告 動画の中の単語