Science Term 2 Spelling 3

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Across
  1. 1. Blood _____ carry blood to different parts of the body
  2. 4. Blood that enters the lungs are ______-rich blood
  3. 7. Blood that exits the lungs are ______-rich blood
  4. 8. In the __________ system, the blood passes through the heart two times before it goes to rest of the body
Down
  1. 2. Doctors use this to listen to sounds made by heart
  2. 3. The heart pumps by _________ and relaxing
  3. 5. A person’s heart _____ is the number of times his heart beats in a minute
  4. 6. The organ that pumps blood to different parts of the body