CAPE Biology Unit 2 · 2005 · Paper 2 · Question 6(a)(i)
Describe the forces and conditions which cause blood from the right atrium to enter and fill the right ventricle.
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- 6(a)(ii)The right and left ventricles force blood out of the heart at pressures of approximately 4 kPa and 16 kPa respectively. Explain why this difference is…[4 marks]
- 6(b)(i)Discuss how the blood vessels of the circulatory system are adapted structurally and functionally to the distribution of blood.[4 marks]
- 6(b)(ii)Discuss how the blood vessels of the circulatory system are adapted structurally and functionally to the return of blood.[3 marks]
- 6(b)(iii)Discuss how the blood vessels of the circulatory system are adapted structurally and functionally to the interchange of substances with the tissues.[3 marks]
More practice: the rest of this paper · more The Circulatory System of Mammals questions · all CAPE Biology Unit 2 past papers