CAIE A Level Biology 9700 · Transport in mammals
The aorta is an elastic artery that stretches during systole and recoils during diastole. Compare the structure of an elastic artery, such as the aorta, with that of a muscular artery, explaining how the structural features of each are related to their functions in the circulatory system.
5 marks, so the mark scheme is looking for about 5 separate creditworthy points. Making the same point twice in different words earns it once.
Compare means: Give similarities or differences between two things, and say which side each point belongs to. Write each point as a pair, for example: A is X, whereas B is Y. Two separate descriptions rarely earn the marks.
Written by Markquill to follow the Cambridge International syllabus. Markquill is independent and is not affiliated with or endorsed by Cambridge International.