9700/11 Biology May Jun 2013 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
شهریور
2013
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 39
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
Aortic stenosis is a heart valve disorder in which the aortic semi-lunar valve opening is narrow.
Which effect could aortic stenosis have on the heart structure and function?