Вычислите сколько лет работали и отдыхали предсердия и желудочки у 14 летнего подростка (не 14 лет))
annet5530
3
21.12.2020 09:21
6
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Средний сердечный цикл длится 0,8 сек. и состоит из: 0,1 сек. - сокращение предсердий, 0,3 сек - желудочков, а 0,4 сек - все отдыхают.