Transport in Mammals Quiz (5) Biology AS Level
Cambridge
AS & A Level
Biology (9700)
فروردین
2010
شامل مباحث:
UNIT 8: Transport in mammals
تعداد سوالات: 15
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
25 دقیقه
پیش نمایش صفحه اول فایل
omer uner The statements list some of the events in a cardiac cycle. The statements are not in the correct order.
Which statement describes the fourth of these events to occur in the cardiac cycle?
1- The impulse travels through Purkyne tissue.
2- A wave of excitation sweeps across the atria.
3- The atrioventricular node delays the impulse for a fraction of a second.
4- The sinoatrial node contracts.
5-…
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