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1 markTransport Systems and Locomotion

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

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

What is the effect of weightlifting on the muscles of the body?

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Other parts of this question

  1. 3(a)(ii)Suggest ONE benefit of aerobics and running that CANNOT be gained from weightlifting.[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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