circulatory system vocab

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Across
  1. 2. the upper chambers of the heart
  2. 4. heart is the muscular organ that pumps blood throughout the body
  3. 5. the movement of blood throughout the heart and blood vessels
  4. 6. blood vessels that carry blood away from the heart
  5. 8. pressure is the force of blood pushing against the walls of blood vessels
  6. 9. blood vessels that carry blood back to our are heart
Down
  1. 1. the 2 lower chambers of the heart
  2. 3. the largest artery in the body carrying blood from the heart to the rest of the body
  3. 5. tiny blood vessels where oxygen and nutrients are exchanged between the blood tissues
  4. 7. the fluid that circulates throughout the body carrying oxygen, nutrients, and waste