Long answer Section 3.1
Discuss the structure of the respiratory system and the processes involved in the defence against infection. Word count 500 words (25 marks).
Question 3.2
There are 3 different types of White blood cell. Describe their function and role in fighting infection. Word count 500 words (25 marks).
Discuss the structure of the respiratory system and the processes involved in the defence against infection. Word count 500 words
