Human Body Vocab

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Across
  1. 2. a layer of cells usually enclosing around something
  2. 5. the system that breaks down food
  3. 9. major structures are skin, nails, and hair
  4. 13. the system that removes waste from the body
Down
  1. 1. the system that is made up of bones
  2. 3. the system that fights disease
  3. 4. the system that produces an offspring
  4. 6. major structures are,skeletal,smooth,and cardiac muscle tissues
  5. 7. the system that transports nutrients, wastes, and gases
  6. 8. tiny units that are the simple building blocks of living things
  7. 10. the system that regulates behavior
  8. 11. a group of bodily organs that together carry on one or more vital functions
  9. 12. a part of a person, plant, or animal that consists of cells and tissue