Cells: The Basic Unit of Life

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Across
  1. 4. ______ are the tiny structures that make up all living organisms, including sharks, plants, cats, insects, bacteria, and you.
  2. 8. This part of the cell is the command center of the cell.
  3. 9. This part of the cell releases energy.
  4. 10. The scientist who discovered that cells are living things.
  5. 12. This part of the cell makes proteins.
Down
  1. 1. The scientist who named cells.
  2. 2. All cells are filled with a jellylike fluid called cytoplasm and enclosed by a ____ ___________.
  3. 3. A phrase used to describe cells.
  4. 5. Different types of organs working together are called a ________.
  5. 6. Cells are made of ____________.
  6. 7. This part of the cell is a gel-like substance.
  7. 11. A bunch of the same type of cells working together is called a ________.
  8. 13. Different types of tissues working together are called an _______.