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A level Biology: Post your doubts here!

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hello everyoneall salum allaykom. I was wondering , are notes about the brain included in the Biology A2 syllabus? Because in the nervous system it's not mentioned ,I'm confused!
 
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the question itself has the answer........the answer is D because more RBC means more haemoglobin . So that more oxygen atoms can bind with haemoglobin molecule and since the new born baby have low supply of oxygen through the blood because the question says about the hole between left and right atria, more RBC means the oxygen deficiency can be fulfilled....
 
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the question itself has the answer........the answer is D because more RBC means more haemoglobin . So that more oxygen atoms can bind with haemoglobin molecule and since the new born baby have low supply of oxygen through the blood because the question says about the hole between left and right atria, more RBC means the oxygen deficiency can be fulfilled....
Thanks alot :D
 
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assalamualikum brothers and sisters :)
i need answers to the end of chapter question of AS and A level biology book by mary jones,3rd edition.
please post it ASAP.May ALLAH grant you jazaye khair for this :)
 
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assalamualikum brothers and sisters :)
i need answers to the end of chapter question of AS and A level biology book by mary jones,3rd edition.
please post it ASAP.May ALLAH grant you jazaye khair for this :)
The answers are there in the CD you get with the book
 
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