Circulatory System Review

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Across
  1. 3. A factor that affects our heart rate
  2. 5. The throbbing of the blood vessels because of the contraction heart muscle
  3. 7. The red blood cells in our body are low
  4. 8. The number of times the heart beats in one minute
  5. 9. Also known as high blood pressure
Down
  1. 1. Is one way to take care of our circulatory system
  2. 2. This system works together with the circulatory system to exchange gases
  3. 4. The condition of arteries become thick and stiff
  4. 6. The white blood cells multiply abnormally