Crossword Vocab Words 5-1A

1234567891011121314
Across
  1. 2. the concentration of sense organs, nervous control at the anterior end (front) of the body, forming a head
  2. 5. a collection of tissues that structurally form a functional unit specialized to perform a particular function
  3. 6. an animal lacking a backbone
  4. 8. the organisms that usually possess a structure known as the notochord, at least during some part of their development
  5. 10. symmetry in which the opposite sides are similar
  6. 12. Cells that have fibers that contain actin and myosin, 3 types, used for support and movement
  7. 13. tightly packed sheets of cells that cover surfaces, they have a top and bottom
  8. 14. a hollow, fluid-filled cavity found in many living things, where it acts as a protective cushion for their internal organs
Down
  1. 1. symmetry in which similar parts are arranged in a balanced way around the center of the body
  2. 3. a biological system consisting of a group of organs that work together to perform one or more functions
  3. 4. groups of cells that are suspended in a fibrous protein matrix, supports and connects
  4. 7. a rod-like structure made of a cartilaginous substance that develops in all chordates at early embryonic stages
  5. 9. the natural process through which a cell becomes specialized to and matures into a cell that becomes specialized to perform a task.
  6. 11. a group of cells that possess a similar structure and perform a specific function