Crossword 5A

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Across
  1. 3. The system that transports blood, oxygen, nutrients, and wastes throughout the body.
  2. 5. The arrangement of body parts so that an organism can be divided into similar halves (such as bilateral or radial symmetry).
  3. 7. The system that controls and coordinates body activities by sending and receiving signals.
  4. 8. The concentration of sensory organs and nervous tissue at the front (head) of an organism.
  5. 9. The system of bones (and cartilage) that supports the body, protects organs, and allows movement.
Down
  1. 1. The system responsible for producing offspring.
  2. 2. The process of breaking down food into smaller molecules that can be absorbed and used by the body.
  3. 4. The body system that removes waste products and helps maintain water and chemical balance.
  4. 6. The system responsible for exchanging gases, taking in oxygen and releasing carbon dioxide.
  5. 8. A fluid-filled body cavity completely lined with tissue that houses and protects internal organs.