LS PT CROSSWORD

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Across
  1. 2. a messenger system comprising feedback loops of the hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs.
  2. 7. It consists of the heart, which is a muscular pumping device, and a closed system of vessels called arteries, veins, and capillaries.
  3. 8. the center command of your body
  4. 9. the internal framework of the human body.
  5. 11. the process in our body that help us from getting infected by diseases, and virus.
  6. 12. the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
Down
  1. 1. A backup of urine can cause a kidney infection.
  2. 3. a biological system consisting of specific organs and structures used for gas exchange in animals and plants.
  3. 4. the set of organs forming the outermost layer of an animal's body.
  4. 5. consists of the gastrointestinal tract plus the accessory organs of digestion.
  5. 6. an organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating center of sensation and intellectual and nervous activity.
  6. 10. an organ system consisting of skeletal, smooth, and cardiac muscles.