Gas Exchange Quiz (2) Biology AS Level
Cambridge
AS & A Level
Biology (9700)
فروردین
2010
شامل مباحث:
UNIT 9: Gas exchange
تعداد سوالات: 20
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
25 دقیقه
پیش نمایش صفحه اول فایل
omer uner The heart rate of a person at rest was recorded at intervals over two 15-minute periods.
During the first five minutes of the second 15-minute period, the person smoked a cigarette.
The graph shows the results recorded during the two 15-minute periods.
What can be concluded from the graph?
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