Human Anatomy Basics Crossword Puzzle

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Across
  1. 2. hard outer layer that protects our body and gives it structure. (4 letters)
  2. 3. organ pumps blood throughout the body, ensuring oxygen delivery to cells and tissues. (6 letters)
  3. 4. Across
Down
  1. 1. main sensory organ for vision. (3 letters)
  2. 2. central part of the body houses the heart, lungs, and other vital organs. (6 letters)
  3. 3. bony structure that protects the brain. (4 letters)