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Вопрос по биологии:
У земноводных обмен веществ протекает медленно, так как:
1)органы и ткани снабжаются артериальной кровью
2)органы и ткани снабжаются смешанной кровью
3)органы и ткани снабжаются кровью, содержащей много кислорода
4) к органам и тканям поступает мало крови
ПРОШУ, ПОМОГИТЕ. Пишу билеты, поэтому ответ нужен срочно.-
Автор:
lulu74
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У земноводных обмен веществ протекает медленно, так как:
1)органы и ткани снабжаются артериальной кровью
2)органы и ткани снабжаются смешанной кровью
3)органы и ткани снабжаются кровью, содержащей много кислорода
4) к органам и тканям поступает мало крови.
ОТВЕТ: 2.
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