Human Systems Crossword Puzzle

12345
Across
  1. 3. These help our body move.
  2. 4. This system carries air, water and food to other parts of our body.
  3. 5. It is the first part of our respiratory system.
Down
  1. 1. This protects our heart and lungs.
  2. 2. This system gives us our body shape.
  3. 3. This chew our food into smaller pieces.