The Cardiovascular System

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Across
  1. 4. Pressure when you are relaxed.
  2. 9. This vessel branches to send blood to both lungs.
  3. 10. Blood vessels that connect to arteries and capillaries.
  4. 11. Keeps the blood flowing in the right direction.
Down
  1. 1. Pumps blood through blood vessels.
  2. 2. High blood pressure.
  3. 3. Carries blood toward the heart.
  4. 5. smallest blood vessels, and responsible for exchanging gas, nutrient, and wastes.
  5. 6. The upper chamber of the heart(receives the blood).
  6. 7. Initiates a regular heartbeat.
  7. 8. The opposite of diastolic.
  8. 10. Carries blood away from the heart.