The Heart and the Vascular System

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Across
  1. 2. A blood vessel that carries blood away from the heart.
  2. 4. The movement of blood through the body.
  3. 6. One of the four spaces inside the heart.
  4. 8. A red liquid that carries oxygen and nutrients in the body.
  5. 10. A gas needed by the body for breathing and energy.
Down
  1. 1. A muscular organ that pumps blood throughout the body.
  2. 3. The rhythm of the heartbeat felt in the arteries.
  3. 5. A very small blood vessel where exchange happens.
  4. 7. pressure The force of blood pushing against blood vessel walls.
  5. 9. A blood vessel that carries blood back to the heart.