Across
- 3. blood vessels that return blood to the heart
- 5. wall that separates the right and left side of the heart
- 6. type of blood vessel that carries blood away from the heart
- 8. body system that brings nutrients & oxygen to all parts of the body and removes waste from the same parts
- 12. the heart valve between the right atrium & the right ventricle
- 14. protein inside of red blood cells
- 15. examples: A, B, AB & O
Down
- 1. type of blood cell that fights diseases
- 2. main artery which carries nutrient-rich blood away from the heart
- 3. connect each atrium to the ventricle below
- 4. abbreviation for beats per minute
- 5. medical instrument used to hear the heart beats
- 7. prefix meaning "pertaining to the heart"
- 8. connect arteries to veins
- 9. type of blood cell that makes us 44% of blood and delivers oxygen to the body
- 10. chambers of the heart that receives blood
- 11. heart valve between the right ventricle & pulmonary veins
- 13. heart valve between the left atrium and left ventricle
- 14. four-chambered, hollow, muscular organ that pumps blood through the body