Across
- 3. The process of moving blood and the materials it carries through the body.
- 4. Blood carries digested food, water, and _____ throughout the body.
- 5. Squids and octopuses have _____ blood.
- 9. Arteries, veins, the heart, capillaries, and blood make up the _____ system.
- 10. _____ are tubes that carry blood away from the heart.
- 11. _____ carry blood back to the heart.
Down
- 1. _____ is a waste gas that leaves your body when you exhale or let air out of your mouth.
- 2. Each time the heart _____, blood moves through the body.
- 3. Tiny blood vessels called _____ connect the arteries to the veins throughout the body.
- 6. There are _____ kinds of blood vessels.
- 7. The _____ is a pump made of muscles.
- 8. The liquid part of blood is called _____.