Question Acceptable Answer Unacceptable Marks Answer Name: Cilia 9 (a) 1 Function: To sweep / move mucus / trapped material away 1 from lungs / upwards 1 Oxygen needs to be in solution / Allows oxygen to dissolve (b) i 1 2 Quicker / Easier / distance 1 Combines with haemoglobin ii 1 to form oxyhaemoglobin 1 Question Answer Int2 The diagram below shows the human alimentary canal. Marks 2011 A Q 19 structure contains villi? 1 19 B Q 22 The diagram below shows the heart and circulation. Marks line in the table describes correctly the types of blood in vessels X and Y? 1 Question Answer 22 D
Question Acceptable Answer Unacceptable Answer Marks 9 (a) Name: Cilia Function: To sweep / move mucus / trapped material away from lungs / upwards 1 1 (b) i 1 Oxygen needs to be in solution / Allows oxygen to dissolve 2 Quicker / Easier / distance 1 1 ii Combines with haemoglobin to form oxyhaemoglobin 1 1 Int2 2011 A Q 19 The diagram below shows the human alimentary canal. Marks structure contains villi? 1 Question Answer 19 B Q 22 The diagram below shows the heart and circulation. Marks line in the table describes correctly the types of blood in vessels X and Y? 1 Question Answer 22 D