Body System Crossword Puzzle

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Across
  1. 4. Describes the phenomenon where complex patterns or behaviors arise from the interactions of simpler components in a system.
  2. 7. Defends the body against pathogens (such as bacteria and viruses) and other harmful substances.
  3. 12. Coordinates and controls body activities through the transmission of electrical signals and chemical messages.
  4. 13. The ability of a system to adjust and respond effectively to changes in its environment or internal conditions.
  5. 14. Facilitates the exchange of oxygen and carbon dioxide between the body and the environment.
  6. 16. Cellular organelle involved in processing, packaging, and transporting proteins and lipids within the cell.
  7. 18. Structures found in the lining of the small intestine that further increase the surface area for nutrient absorption.
  8. 23. Connective tissues that attach muscles to bones (tendon) and bone to bone (ligament), providing support and facilitating movement.
  9. 24. Neurons are the basic units of the nervous system, while synapses are the junctions where nerve cells communicate with each other.
  10. 25. Tiny, finger-like projections on the surface of certain cells (e.g., in the small intestine) that increase the surface area for absorption.
Down
  1. 1. Provides structural support, protects internal organs, and serves as a storage site for minerals.
  2. 2. A network of capillaries in the kidneys that filters blood to form urine.
  3. 3. Specialized cells in the heart that generate electrical impulses to regulate the heart's rhythm and contraction.
  4. 5. Transports oxygen, nutrients, hormones, and waste products throughout the body; helps regulate temperature.
  5. 6. Hair-like structures that extend from cell surfaces, aiding in movement or the movement of substances over the cell surface.
  6. 8. Eliminates waste products from the body, regulates water and electrolyte balance, and helps maintain blood pressure.
  7. 9. Describes a situation where the output of a system is fed back into the system as input, influencing its future behavior.
  8. 10. Facilitates the production of offspring, including the production of gametes (sperm and eggs) and the development of the fetus during pregnancy.
  9. 11. Refers to the degree to which different components or systems are connected and affect each other.
  10. 15. Enables movement and locomotion, provides support, and generates heat.
  11. 17. Describes a close and often mutually beneficial relationship between different elements or systems.
  12. 19. Clusters of cells in the pancreas that produce hormones, including insulin and glucagon, which regulate blood sugar levels.
  13. 20. Regulates body functions through the release of hormones, which act as chemical messengers.
  14. 21. Processes and breaks down food, absorbs nutrients, and eliminates waste.
  15. 22. Small, air-filled sacs in the lungs where the exchange of oxygen and carbon dioxide occurs during respiration.