Circulatory System Vocab

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Across
  1. 2. the muscular central wall that separates the left and right sections of the heart,prevent oxygen-rich and oxygen-poor blood from mixing
  2. 5. a blood vessel that takes blood away from the heart, typically with oxygen
  3. 6. a blood vessel that takes blood toward the heart, typically without oxygen
  4. 8. are the type of blood cell that helps form clots to stop blood from leaving the blood vessels
  5. 9. blood vessels that connect arteries and veins, one cell thick walls
  6. 10. the type of blood cell that helps fight infections
Down
  1. 1. the lower section of the heart, muscular, thick-walled, and pumps blood out of the heart
  2. 3. responsible for not allowing backward flow of blood
  3. 4. the upper section of the heart that receives blood from veins
  4. 7. is the type of blood cell that transports different resources around the body
  5. 11. a muscle that is at the center of the circulatory system, acts like a pump