Crossword puzzle Chapter 10

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Across
  1. 2. The process in which the lining of the uterus breaks up and is discharged from the body through the cells
  2. 4. Involuntary muscle contractions in the digestive system that moves food down the esophagus through the alimentary
  3. 6. The burning of food for heat and energy by the cells
  4. 7. A chemical substance secreted endocrineo crime glands into the bloodstream
  5. 10. A blood vessel that carries blood away from the heart
  6. 11. The substance in red blood cells that carries oxygen and gives blood its red color
  7. 13. Protection against a disease or condition
Down
  1. 1. The process that breaks down food physically and chemically
  2. 3. The basic unit of body structure
  3. 5. The process of supplying the cell with oxygen and removing carbon dioxide from them
  4. 8. A very tiny blood vessel;food,oxygen,and other substances pass from the capillaries into the cells
  5. 9. Groups of tissue with the same function
  6. 12. The point at which two or more bones meet to allow movement