Biology > GCSE MARK SCHEME > Pearson Edexcel International GCSE in Human Biology (4HBI) Paper 01. Mark Scheme (Provisional) Summ (All)
Pearson Edexcel International GCSE in Human Biology (4HBI) Paper 01. Mark Scheme (Provisional) Summer 2021. Graded A+
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Question number Answer Notes Marks 1 Component Feature Red blood cell Plasma Platelet Phagocyte transports oxygen ; has a nucleus ; consists of 90% water ; involved in bloo... d clotting ; Mark by row 4 Total 4 marks http://britishstudentroom.wordpress.com/Question number Answer Notes Marks 2 (a) (i) 1 = humerus; 2 = radius; 3 = ulna; 4 = fingers/phalanges; 4 (ii) circle at the elbow to include all three bones; accept a circle around relevant bones in the fingers 1 (iii) • ball and socket; reject named examples • gliding/sliding; 2 (b) • assists/allows uptake of calcium (salts from gut); • (calcium) needed for bone growth; • hard bone/compact bone; [Show More]
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