Across
- 2. Node that is the natural pacemaker
- 3. Pulmanary arteries transport what kind of blood.
- 5. Veins collecting oxygen-poor blood from smaller veins in body
- 7. White blood cells
- 9. Clumping of the blood.
- 10. Transports blood back to the heart.
- 12. Controls the immune system
- 13. Which vena cava brings blood from upper body?
- 17. Blood flows into the ______ from the
- 20. Carries blood from the heart to lungs or body tissue.
Down
- 1. Fragments of white blood cells that circulate through the blood and function to form blood clots at site of injuries.
- 4. Node that's an electrical relay station between the upper and lower chambers.
- 6. The wall that separates the left and right chambers of the heart.
- 8. Vessels that deliver nutrients, water, and oxygen to cells and pick up cellular waist.
- 11. Red blood cells
- 14. Consumes pathogens or diseased body via endocytosis
- 15. Pulmanary veins transport what kind of blood?
- 16. Allows air to flow into ventricles, but no flow backwards to atria.
- 18. Muscular pump with 4 chambers
- 19. Component of blood made out of water, salts, and protein.