Human Anatomy and Physiology Crossword

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Across
  1. 3. A hormone produced by the pancreas that regulates blood sugar levels by facilitating the uptake of glucose into cells.
  2. 6. The junction between two nerve cells, where signals are transmitted through neurotransmitters.
  3. 7. A group of organs that work together to perform a particular function or set of functions.
  4. 11. A specialized cell transmitting nerve impulses; a nerve cell.
  5. 14. The muscle tissue found in the heart responsible for its contraction and pumping action.
  6. 18. Blood cells involved in the body's immune response, defending against infections and foreign substances.
  7. 21. A group of similar cells working together to perform a specific function.
  8. 23. The system responsible for producing offspring.
  9. 26. A structure composed of two or more tissues that perform a specific function.
  10. 27. The voluntary muscle tissue attached to bones, responsible for movement and locomotion.
  11. 28. The study of the functions and processes of living organisms.
  12. 29. The framework of bones and cartilage that supports and protects the body's organs and tissues.
  13. 30. The system responsible for the exchange of gases (oxygen and carbon dioxide) between the body and the environment.
Down
  1. 1. The study of the structure and organization of living organisms.
  2. 2. The system responsible for the breakdown and absorption of nutrients from food and the elimination of waste.
  3. 4. The system consisting of the skin, hair, nails, and glands, providing protection from external factors.
  4. 5. Chemical messengers produced by glands and circulated in the bloodstream to regulate bodily functions.
  5. 8. The system responsible for movement, posture, and heat production through muscle contractions.
  6. 9. The body's ability to maintain a stable internal environment despite external changes.
  7. 10. Blood cells containing hemoglobin, responsible for transporting oxygen to the body tissues.
  8. 12. Growth hormone (GH) A hormone that stimulates growth and cell reproduction.
  9. 13. The network of nerve cells and fibers that transmit nerve impulses between parts of the body.
  10. 15. An automatic response to a stimulus, often involving the spinal cord rather than the brain.
  11. 16. Tiny air sacs in the lungs where gas exchange occurs between the air and the blood.
  12. 17. The body's defense mechanism against pathogens, toxins, and foreign substances.
  13. 19. The system responsible for the transportation of nutrients, gases, hormones, and waste products throughout the body.
  14. 20. The "master gland" located at the base of the brain, responsible for regulating various other endocrine glands.
  15. 22. The involuntary muscle tissue found in the walls of internal organs, such as the digestive tract.
  16. 24. The system responsible for producing and secreting hormones that regulate various bodily functions.
  17. 25. The basic structural and functional unit of all living organisms.