Across
- 2. refers to the lungs
- 4. largest vein
- 6. blood flows in one direction
- 8. transport blood to body parts
Down
- 1. when pyruvate turn into lactic acids
- 3. without oxygen
- 4. blood flows from capillaries to ____ to veins
- 5. where aerobic respiration happens
- 7. largest artery
- 9. where oxygenated blood flows through
- 10. smallest tunnel in a blood vessel