Across
- 3. Also known as leukocytes, these are ..... blood cells
- 4. Carried by haemoglobin in red blood cells
- 7. Red blood cells carry this, it is our oxygen transportation system
- 8. Fragments of cells that act as plugs to stop bleeding
- 9. Also known as erythrocytes, these are ... blood cells
- 10. Red and white cells are made in the bone......
- 12. This system fights infection using white blood cells
Down
- 1. Because it increases surface area, this shape allows red blood cells to carry more oxygen.
- 2. This component is 95%.........
- 5. Formed by platelets where there is damage to blood vessels
- 6. There are ..... types of white blood cell, all fight infection in different ways
- 8. About 55% of total blood volume, this is a straw coloured liquid
- 11. White cells make up .......of total blood volume