This document contains a 13 question quiz about blood and the circulatory system. It covers topics like the functions of platelets, characteristics of different blood vessels, the pathways of blood flow through the heart and lungs, components of blood plasma, blood types, uses of donated blood components, lifespan of red blood cells, and the job of the heart. The questions are multiple choice and after answering all 13, it tells the test taker how many they got right and that getting less than 8 correct means they need to pay better attention.

1. Blood Quiz

2. 1. What do platelets do? A carry oxygen B carry hormones C fight infections D clot blood

3. ANSWER D clot blood

4. 2.Which blood vessel is the thinnest? A Artery B Vein C Mercury D Capillary

5. ANSWER D Capillary

6. 3.Which vessel contains valves A Heart B Vein C Artery D Capillary

7. ANSWER B vein

8. 4. Which chamber of the heart has the thickest wall? A Left ventricle B Right ventricle C Left atrium D Right atrium

9. ANSWER A Left ventricle

10. Which 2 pathways for blood are correct? Right side of heart – lungs – left side of heart - body Left side of heart – body- right side of heart – lungs Right side of heart- body- left side of heart-lungs Left side of heart – lungs – right side of heart -body

11. answer Right side of heart – lungs – left side of heart - body Left side of heart – body- right side of heart - lungs

12. 5. Which blood vessel is largest inside? A Artery B Vein C Capillary D Titanium

13. ANSWER B vein

14. 6.Which vessel carries blood to the heart? A Artery B Vein C Capillary D QE2

15. ANSWER B vein

16. 7.Plasma contains A Dissolved nutrients B Oxygen C Haemoglobin D Nuclei

17. ANSWER A Dissolved nutrients

18. 8.The most common blood group is A O positive B O negative C A positive D B positive

19. A O positive

20. 9.How much of donated blood is used to treat accident victims? A 95 % B 90% C 50% D 5%

21. ANSWER D 5 %

22. 10.Which part of the blood is used to treat anaemic babies? A Red cells B White cells C Plasma D Platelets

23. ANSWER A Red cells

24. 11.How long do red cells last? A 5 years B Forever C 35 days D 3 weeks

25. ANSWER C 35 days

26. 12.What is the pigment in red blood cells? A Oxyhaemoglobin B Carboxyhaemoglobin C Haemoglobin D Redcurrent

27. ANSWER C haemoglobin

28. And finally….

29. 13. What is the job of the heart? A to love someone B to carry oxygen C to pump blood D to get rid of carbon dioxide

30. ANSWER C to pump blood

31. Thank you for playing ! How many did you get right out of thirteen? If it was less than 8 then you need to pay better attention!