Across
- 4. __________ are helpful when you get cut to aid in clotting the blood.
- 6. _________ carry the oxygen poor blood back to the heart.
- 7. Arteries carry oxygen _______ blood to the organs in your body.
- 8. The _____________ system that transports blood throughout the body.
- 11. The blood goes from the left atrium to the left ventricle, there it forces the blood out of the heart and into the ________.
- 13. Blood picks up oxygen in the _________ to become oxygen rich again.
- 14. The oxygen rich blood leaves the lungs and goes back into the heart in the _______ atrium.
Down
- 1. The blood leaves the right atrium and goes to the right __________ where it pushes blood to the lungs.
- 2. _________ open and shut to make sure that blood flows in one direction.
- 3. The liquid portion of the blood.
- 4. The heart ________ the blood.
- 5. The oxygen poor blood enters the heart in the right _________.
- 9. ________ is delivered by the red blood cells to the body.
- 10. The ___________ carry blood away from the heart to the body.
- 12. ________ blood cells help our bodies fight infections.