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1 markTransport Systems and Locomotion

CSEC Integrated Science · May/June 2010 · Paper 2 · Question 3(a)(ii)

Sophia hopes to join the national swimming team and her coach encourages weightlifting, aerobics, and running.

Suggest ONE benefit of aerobics and running that CANNOT be gained from weightlifting.

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Other parts of this question

  1. 3(a)(i)What is the effect of weightlifting on the muscles of the body?[1 mark]
  2. 3(b)(i)Sophia's coach recommended eating more lean meats, peas, rice, and sweet potatoes. What are the TWO food groups in her new diet?[2 marks]
  3. 3(b)(ii)State ONE function of EACH of the food groups named in (b)(i).[2 marks]
  4. 3(c)(i)Give ONE reason why Sophia breathes faster when she is running.[1 mark]
  5. 3(c)(ii)Give ONE reason why Sophia's heart beats faster when she exercises.[1 mark]
  6. 3(d)(i)Sophia's father joins her exercises. Name ONE physical factor, other than fitness, which he must consider, and give ONE reason for your answer.[2 marks]
  7. 3(d)(ii)After one month, the amount of fat around Mr. Pierre's waist decreased. Explain how this fat was used by his body.[2 marks]
  8. 3(e)What are THREE possible negative effects on Sophia's body if she uses steroids for performance enhancement?[3 marks]

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