Gas Exchange Quiz (1) Biology AS Level
CIE
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
At high altitudes, the oxygen content of the air may be a third of that at sea level.
As a person slowly climbs a mountain, their body gradually adjusts to the high altitude.
What is increased during this period of adjustment?