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4 marksNutrition and the Digestive System

CSEC Human and Social Biology · May/June 2014 · Paper 2 · Question 3(a)

Digestive system anatomy, pancreatic disease, digestion experiments, and mechanics of digestion.

Name the structures labelled A and B in Figure 4, and state ONE function of EACH structure.

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Other parts of this question

  1. 3(b)(i)A pancreas becomes diseased and stops producing pancreatic juice. Name ONE food group whose digestion would be affected.[1 mark]
  2. 3(b)(ii)State ONE effect that a deficiency of the food group named in (b)(i) would have on the human body.[1 mark]
  3. 3(c)(i)In which of the three test tubes in Figure 5 would the starch be digested?[1 mark]
  4. 3(c)(ii)Explain why starch would NOT be digested in the other two test tubes in Figure 5.[4 marks]
  5. 3(d)(i)Explain why Veera’s way of briefly chewing her food is bad for the digestion of the food.[3 marks]
  6. 3(d)(ii)In which region of the digestive system would the final stage of the digestion of starches occur?[1 mark]

More practice: the rest of this paper · more Nutrition and the Digestive System questions · all CSEC Human and Social Biology past papers