LEKKAS LOVES CROSSWORDS

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Across
  1. 3. what tissue makes up the brain and spinal cord?
  2. 8. Produces heat involuntary
  3. 10. sperm are created to inseminate what cells?
  4. 12. the major role of the digestive system is to breakdown and ______.
  5. 14. When your vessels get smaller.
  6. 16. _________ glands secrete chemicals directly into the blood stream.
  7. 17. muscle tissue can do this.
  8. 18. what tissue keeps organs in their place and separate from other organs?
  9. 19. In lactation oxytocin causes ________ glands to contract.
Down
  1. 1. The hypothalamus is located in the_____.
  2. 2. the circulatory system takes place in this major organ
  3. 4. what type of muscle tissue moves bones in your body?
  4. 5. A system in homeostasis needs a sensor,an effector and an__________.
  5. 6. Homeostasis is a mechanism to maintain the body's_______________.
  6. 7. gas exchange is the major role of this system.
  7. 9. The connective tissue is the most diverse and __________.
  8. 11. positive feedback:childbirth,fever,__________.
  9. 13. the 4 primary tissue types: epithelial,nerve,muscle,___________.
  10. 15. hypothalamus stimulates pituitary gland to secrete this.
  11. 16. animals are extoderm,while humans are_________.