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4 marksThe Circulatory System of Mammals

CAPE Biology Unit 2 · 2008 (Rest of Region) · Paper 2 · Question 5(a)

Describe the ways in which red blood cells and haemoglobin molecules are effective in maximising the uptake of oxygen.

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  1. 5(b)Explain the Bohr Effect and its implications for the stability of oxyhaemoglobin in active muscle tissue.[4 marks]
  2. 5(c)Discuss the hormonal processes involved in maintaining a constant blood glucose concentration around 90 mg per 100 cm³ and rarely exceeding 150 mg per 100 cm³…[7 marks]

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