CIE iGCSE Co-Ordinated Science B9.1 Circulatory systems Exam Style Questions Paper 3
Question
(a) Fig. 1.1 is a diagram of the circulatory system in humans.
(i) State the name of the blood vessels labelled A and C in Fig. 1.1.
A …………………………………………………………………………
C …………………………………………………………………………
(ii) Identify blood vessels B, D, and E in Fig. 1.1 as either an artery or a vein.
B …………………………………………………………………………
D …………………………………………………………………………
E …………………………………………………………………………
(iii) State the name of the structures in the circulatory system that ensure one-way flow of blood.
(iv) State the name of the part that separates the left side of the heart from the right side.
(b) The boxes on the left show the names of three types of blood vessel.
The boxes on the right show the average thickness of the wall of each type of blood vessel.
Draw lines to link each blood vessel with the average thickness of their walls.
blood vessel average thickness of wall
(c) Describe the function of capillaries.
(d) State the names of two main components of blood.
1 …………………………………………………………………………
2 …………………………………………………………………………
▶️Answer/Explanation
Ans : 1(a)(i) A – aorta ;
C – renal artery ;
1(a)(ii) B – artery
D – vein
E – artery ;;
1(a)(iii) valves ;
1(a)(iv) septum ;
1(b) 
1(c) exchange of (named) material between blood and tissue (cells) / AW ;
1(d) any two from:
red blood cells ;
white blood cells ;
plasma ;
platelets ;