The Body

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Across 1. These bring the blood back to the heart 4. Shin bone 6. The time in which a female carries a maturing embryo/fetus 10. This system assures the continuation of the human species 12. Organ in which sperm is produced 15. A collapsible bag near the front of the pelvis 16. This system contains the heart, blood vessels, and the blood 17. Type of join allowing movement in two planes 18. Consists of erectile tissue and nerve endings similar to the male penis 19. Wind pipe 20. This system is responsible for breaking down food into absorbable nutrients 24. Oval shaped organ beside the stomach on the left side of the upper abdominal cavity 25. Shoulder blade 26. These are used as a clotting mechanism 29. The hair in your nostrils 30. The middle, thick muscular layer of the heart 33. Blood cells that absorb carbon dioxide from tissues 34. Air sacs 37. Made up of the skull, spinal column, rib cage and sternum 38. The point where two nerve processes meet 39. Where waste leaves the body 40. Where food enters

Down 2. Indigestible parts of food are moved into this intestine 3. These cells send messages to your brain 5. The means in which urine is excreted from the body 7. The tiniest blood vessels 8. Egg Cell 9. The highest point of the brain stem 11. Regulates the amount of water in the body 13. Skin and muscular covering of the testes 14. Regulates the blood sugar level 16. The part of your brain that controls your balance 21. Type of bones that include the vertebrae, carpals, tarsals, and patella 22. This type of exam is offered to both males and females 23. The voice box 27. The largest internal organ 28. In adulthood there are 206 of these in the body 31. The largest artery 32. An elastic bag-type organ consisting of three muscle layers 35. Where carbon dioxide is exchanged for oxygen 36. Chews the food

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