circulatory system
Across
- 3. intestine / The place where nutrients enter the blood.
- 6. / The largest artery in the body.
- 7. / The pump in the circulatory system.
- 8. system / The heart, blood, and vessels.
- 11. / A gas that is transported in arteries from the lungs to the rest of the body via the heart.
- 12. / A vessel that moves blood to the heart.
- 13. / Blood in arteries is ____________ red because it is rich in oxygen.
Down
- 1. / The heart ___________ blood.
- 2. / The circulatory system ___________ nutrients, gases, liquids, and heat around the body.
- 4. / A vessel that moves blood away from the heart.
- 5. / A small vessel that connects veins and arteries.
- 8. dioxide / A waste gas that is transported in veins from the body to the lungs via the heart.
- 9. / The liquid in the circulatory system.
- 10. / The place where oxygen enters the blood and carbon dioxide leaves the blood.