Biology · May / June 2017 · Paper 21 · Question 3
5090
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Fig. 3.1 shows an organ, X, and its associated blood vessels P, Q and R. to heart from heart small intestine Q P X R Fig. 3.1 Organ X is involved in the following processes: • the metabolism of amino acids, • the breakdown of chemical substances, including alcohol.
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3(a)[4]
3(b)[3]
3(c)(i)[1]
3(c)(ii)[3]
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