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Biology, 18.10.2021 07:20 tdyson3p6xvtu

ở người bình thường , mỗi chu kì tim kéo dài 0,8s . Giả sử mỗi lần tâm thất co bóp đã tống vào động mạch chủ 70ml máu và nồng độ oxy trong máu động mạch người này là 21ml/100ml máu .Có bao nhiêu ml oxy được vận chuyển vào động mạch chủ trong 1 phút?

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ở người bình thường , mỗi chu kì tim kéo dài 0,8s . Giả sử mỗi lần tâm thất co bóp đã tống vào động...
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