Page 212 - Q&A-Cover_Neat

Further Information each correct answer = 1 mark Accept gas exchange / inhaling / Accept breathe oxygen (in) = 2 marks inhale oxygen = 2 marks Further Information more than one answer circled = 0 marks Do not accept n / newtonmeter

exhaling Accept six Ignore units
1 1 2 1 1 1
Marks Marks

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Answer gets oxygen into the body / needs oxygen (to stay alive) / for respiration (idea of) removes waste / removes carbon dioxide Answer friction push twist upthrust

any two from (idea of) breathing newton(s) or N

D E
6

Question Question

7(a) 7(b) 7(c) 8(a) 8(b) 8(c)