Human Body Systems

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Across
  1. 6. Breathing in fresh air and expelling waste gases.
  2. 7. Made up of the brain and spinal cord.
  3. 10. Gives the necessary pull on the bones for bending, straightening, and supporting joints.
  4. 13. Divides food into nutrients like proteins, fats, and carbohydrates.
  5. 14. Helps the body's organs communicate with one another.
  6. 15. These hormones enable a woman to become pregnant and aid in the development of girls.
Down
  1. 1. Bones (the skeleton), muscles, cartilage, tendons, ligaments, joints, and other connective tissue
  2. 2. Provides protection for organs, makes blood cells, gives the body its shape, and stores minerals.
  3. 3. During puberty aids a boy's development into a sexually mature man.
  4. 4. To remove wastes from the body.
  5. 5. Delivers nutrients and oxygen to cells while removing waste.
  6. 8. By removing all fluids that leak from our blood vessels, maintains fluid levels in our body tissues.
  7. 9. Includes the adrenal, pineal, pituitary, pancreatic, ovarian, testicular, thyroid, parathyroid, and hypothalamic glands.
  8. 11. Includes the skin, thymus, bone marrow, lymph nodes, and blood vessels. It protects the body's own cells from infection.
  9. 12. Removes waste from your blood in the form of urine.