CH 8 Terms. Reece Vestlie

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Across
  1. 1. Beat of the heart
  2. 4. space within a tubular part or organ, such as the space within a blood vessel
  3. 6. The middle and thickest layer of tissue of a blood vessel wall
  4. 10. transports mineral nutrients up from the roots
  5. 11. A hollow, muscular organ that pumps blood throughout the body.
  6. 12. backflow or ejecting of contents through an opening
  7. 13. flat, leaf-shaped structures that comprise the valves of the heart
  8. 14. vessels that carry blood back to the heart
Down
  1. 2. Circular muscles that encircle and, by contracting, constrict a duct
  2. 3. Membrane surrounding the heart
  3. 5. A liquid's resistance to flowing
  4. 7. carry blood away from the heart
  5. 8. Reduces blood flow.
  6. 9. Flaps of tissue that open and close