Anatomy & Physiology

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Across
  1. 2. System of bones, cartilages, and ligaments that provides support and protection to the body and allows movement.
  2. 8. An organ located in the abdomen that filters blood, stores blood cells, and plays a role in the immune system.
  3. 9. The vein that carries oxygenated blood from the lungs to the heart.
  4. 16. The rhythmic expansion and contraction of arteries as blood is pumped through them.
  5. 18. The number of heartbeats per minute.
  6. 20. Organelles responsible for producing energy in the form of ATP through cellular respiration.
  7. 23. One of the two lower chambers of the heart that pump blood out to the arteries.
  8. 24. The double-layered membrane surrounding the heart.
  9. 26. The ability of an organism to maintain internal stability despite external changes.
  10. 32. Blood vessels that supply oxygen-rich blood to the heart muscle.
  11. 36. System responsible for breaking down food and absorbing nutrients.
  12. 38. 12 pairs of nerves that arise directly from the brain and control various sensory and motor functions of the head, neck, and organs.
  13. 43. The study of the functions and processes of living organisms.
  14. 45. Abnormal heart rhythm.
  15. 48. Blood vessels that carry deoxygenated blood back to the heart.
  16. 49. Blood vessels that carry oxygenated blood away from the heart.
  17. 50. System responsible for producing offspring.
  18. 51. Circulation of blood within the heart muscle itself.
  19. 52. Another term for the cardiovascular system, referring specifically to the circulation of blood.
  20. 53. System of the heart and blood vessels responsible for circulating blood throughout the body.
  21. 54. The inner lining of the heart chambers and valves.
  22. 55. The artery that carries deoxygenated blood from the heart to the lungs.
Down
  1. 1. Tiny air sacs in the lungs where gas exchange (oxygen and carbon dioxide) occurs.
  2. 3. Chemical messengers secreted by glands in the endocrine system, regulating various bodily functions.
  3. 4. The force exerted by circulating blood against the walls of blood vessels.
  4. 5. The phase of the cardiac cycle when the heart muscle contracts, pumping blood.
  5. 6. System responsible for breathing, including the lungs and airways.
  6. 7. Circulation of blood throughout the body, excluding the heart and lungs.
  7. 10. One of the two upper chambers of the heart that receive blood from the veins.
  8. 11. System of nerves and specialized cells that transmit signals between different parts of the body.
  9. 12. Structures within the heart that prevent backflow of blood.
  10. 13. The wall of tissue that separates the left and right sides of the heart.
  11. 14. The sequence of events that occur during one heartbeat.
  12. 15. The main artery of the body, originating from the left ventricle of the heart.
  13. 17. A test that records the electrical activity of the heart.
  14. 19. The phase of the cardiac cycle when the heart muscle relaxes and fills with blood.
  15. 21. The study of the structure and organization of living organisms.
  16. 22. A group of cells with similar structure and function.
  17. 25. A structure composed of multiple tissues working together to perform specific functions.
  18. 27. The muscular layer of the heart responsible for its pumping action.
  19. 28. A structural abnormality of the heart present at birth.
  20. 29. Tiny blood vessels that connect arteries and veins, allowing for the exchange of nutrients and waste products.
  21. 30. The buildup of plaque in the arteries, narrowing them and restricting blood flow.
  22. 31. System of glands that secrete hormones regulating various bodily functions.
  23. 32. The basic structural and functional unit of all living organisms.
  24. 33. The volume of blood ejected from the heart with each contraction.
  25. 34. A muscular organ responsible for pumping blood throughout the body.
  26. 35. A sudden blockage of blood flow to the heart muscle.
  27. 37. System consisting of the skin, hair, and nails, providing protection and regulating temperature.
  28. 39. System of lymph nodes, vessels, and organs involved in immune response and fluid balance.
  29. 40. Endocrine glands located on top of the kidneys that produce hormones such as adrenaline and cortisol.
  30. 41. The volume of blood pumped by the heart in one minute.
  31. 42. The inability of the heart to pump enough blood to meet the body's needs.
  32. 44. System responsible for filtering blood and producing urine.
  33. 46. Small, bean-shaped structures distributed throughout the body that filter lymph and contain immune cells.
  34. 47. System of muscles that enables movement and supports the structure of the body.