Across
- 4. tiny, delicates blood vessels that carry blood
- 5. helps to stop bleeding and heal wounds
- 6. needed to keep the heart healthy
- 7. cells that fight disease and infection
- 10. the force of blood pushing against your artery walls
- 11. the body's largest artery that carries oxygen and nutrients to all parts of the body
Down
- 1. can be caused by poor diet, smoking, drug use and lack of exercise
- 2. deliver oxygen to the body tissues and carbon dioxide back to the lungs
- 3. carries deoxygenated blood
- 8. red liquid the circulates through the body
- 9. muscular organ that pumps blood