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4 marksNutrition and the Digestive System

CSEC Human and Social Biology · January 2017 · Paper 2 · Question 3(d)(i)

A deficiency of vitamin D in children leads to bone disease with softening and bending of limbs.

Explain why vitamin D is necessary for bone formation and state the name of the deficiency disease.

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Other parts of this question

  1. 3(a)(i)State one function of bone, other than protecting internal organs.[1 mark]
  2. 3(a)(ii)State two functions of the human vertebral column.[2 marks]
  3. 3(b)Complete Table 3 by providing the location of cartilage at (i), structure of bone at (ii), and function of cartilage at (iii).[3 marks]
  4. 3(c)(i)Identify the type of joint found in the knee region and describe the type of movement associated with it.[2 marks]
  5. 3(c)(ii)Describe the difference in terms of movement between the hip joint and the joints between the skull bones.[2 marks]
  6. 3(d)(ii)Suggest which mineral is most likely being lost from bone due to high intake of carbonated beverages.[1 mark]

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