anatomy 2

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Across
  1. 3. — A blood vessel that carries blood back toward the heart.
  2. 6. — A muscular tube in the throat that connects the nose and mouth to the esophagus and trachea, serving as a passageway for both air and food.
  3. 7. — A clear fluid in the lymphatic system that carries immune cells and removes excess tissue fluid.
  4. 8. — The windpipe that carries air from the throat to the bronchi of the lungs.
  5. 9. — Lymphatic tissues in the throat that help trap and fight pathogens entering through the mouth or nose.
  6. 10. — A rapid, automatic response to a stimulus that occurs without conscious control.
Down
  1. 1. — System of organs that forms a protective covering on the outside of the body.
  2. 2. — One of the main air passages that carries air from the trachea into the lungs.
  3. 4. — The microscopic functional unit of the kidney that filters blood and forms urine.
  4. 5. — An organ or group of cells that produces and releases substances such as hormones or enzymes.