Blood

4. a regulatory protein transported by the blood
5. (5, 8)This forces blood through the cardiovascular system
7. the percentage of whole blood that is made up by the red blood cells
8. blood is a ........tissue
12. the pH of blood shows it is slightly
14. (5, 4, 5) the number of white blood cells per litre of blood
15. fluid which flows between the cells
16. a blood protein involved in blood clotting
18. a green-yellow substance made from heme which is secreted into the intestines
19. group of white blood cells which comprise neutrophils, eosinophils & basophils
23. if someone is dehydrated and blood flows more
24. percentage of each type of white blood cell
26. a cell fragment involved in blood clotting
30. blood contains these immunoglobulin proteins to fight infection

1. blood is more ....... than water
2. the condition which causes increased production of erythropoietin
3. red blood cells which are being formed enter the blood in this state
6. the hormone made by the kidney which stimulates the rate of RBC production
7. a protein in red cells which carries oxygen
9. the process blood uses to stop excess bleeding
10. most of the fluid in the body is in the ............. compartment
11. the protein part of haemoglobin
13. chemical required for formation of haemoglobin
17. phagocyte which rapidly arrives at the site of bacterial infections
20. white blood cells which attack parasites
21. there are four of these yellow molecules in each haemoglobin
22. phagocyte which destroys microbes & cleans up dead tissue during infection
25. (3,4) lifespan of most white cells
27. a condition in which there is limited red blood cells or haemoglobin
28. white blood cells which release histamine to increase inflammation
29. yellow waste product of the breakdown of haemoglobin
30. a blood protein which helps control osmotic pressure of blood