6th Grade Anatomy

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Across
  1. 3. muscle that crosses from hip to knee
  2. 5. smaller bone next to the tibia
  3. 7. the "thump-thump" of a heartbeat is the sound made by the four valves of the heart closing
  4. 9. this protein gives bones slight flexibility
  5. 10. takes oxygenated blood to left atrium
  6. 11. covers the larynx to prevent food from going into the esophagus
  7. 13. ____________ digestion is the breaking down of food by chewing, grinding, tearing, or churning
  8. 14. artery that takes oxygenated blood to the rest of the body
  9. 17. neck joint / between radius and ulna
  10. 18. when muscles contract, they produce ________
  11. 20. skeletal muscles have dark and light bands when seen through a microscope called __________
  12. 21. collarbone
  13. 25. gives cover to skin, hair, eyes
  14. 26. the sebaceous glands produce _________
  15. 30. vein that brings blood from the upper regions of the body to the right atrium
  16. 32. longest, strongest bone
  17. 34. main bone in the upper arm
  18. 35. vein that brings blood from the lower regions of the body to the right atrium
  19. 36. shoulder bone
  20. 39. calf muscle
  21. 41. produces blood cells
  22. 42. __________ digestion is when enzymes break down nutrients into smaller molecules to be absorbed
  23. 43. hip / shoulder joint
Down
  1. 1. curved, thin muscle under the lungs
  2. 2. takes deoxygenated blood to lungs
  3. 4. blood vessels that carry blood AWAY from the heart
  4. 6. where gas exchange occurs in the lungs
  5. 8. the partition separating the chambers of the heart
  6. 12. most of the absorption of nutrients occurs here
  7. 15. shoulder muscle
  8. 16. this digestive organ makes bile
  9. 18. knee / elbow joint
  10. 19. another name for the circulatory system is the _________ system
  11. 22. tiny tiny vessels where the transfer of oxygen and waste takes place
  12. 23. second layer of skin
  13. 24. ankle bones
  14. 27. the heart is a muscular organ about the size of your _________
  15. 28. openings between chambers that direct the one way flow of blood
  16. 29. the wall of the small intestine is covered with millions of projections called _______ that speed up absorption
  17. 31. a thin sac that surrounds the heart to protect and keep it in place
  18. 33. surround the alveoli
  19. 37. chest muscle
  20. 38. blood vessels that carry blood TO the heart
  21. 40. in the stomach, the bolus of food is mixed with acids until it is turned into a liquid called ________