5th Grade Science Vocabulary Human Body

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Across
  1. 3. Hard, whitish tissue making up the skeleton in humans and other vertebrates
  2. 5. A trait that a living thing gets during its lifetime
  3. 7. An organ of the digestive system that removes nutrients and water from digested food
  4. 9. The center of reading, thinking, memory, and logic
  5. 12. Having a single cell, and performing all life processes within a single cell
  6. 14. Carry blood towards the heart
  7. 17. The product of a male and female parent
  8. 18. An organism that is too small for people to see with only their eyes
  9. 22. Whitish fiber or bundle of fibers that transmits impulses of sensation to the brain or spinal cord
  10. 23. System that breaks down foods into useable sources of energy
  11. 25. A tough, elastic, flexible connective tissue that prevents friction between the bones
  12. 29. A muscular organ in the body where chemical and mechanical digestion takes place
  13. 30. System that protects the organic in the other body systems and gives your body structure/shape/support
  14. 32. Part of the digestive system that takes food into the body
  15. 33. Carry blood away from the heart
  16. 34. Having more than one cell that performs different functions in an organism
  17. 37. Any individual living thing
  18. 38. Muscles that you cannot control
  19. 39. A collection of nerves that send messages back and forth between different parts of your body and your brain
Down
  1. 1. A skill that an animal develops after it is born
  2. 2. A characteristic or property of an organism
  3. 4. System that sends electrical signals to all other body systems
  4. 6. A strong trait gene
  5. 8. A muscular tube that helps move food from the mouth to the stomach
  6. 10. A fluid made up of red blood cells, white blood cells, and plasma providing oxygen and nutrients to every part of the body
  7. 11. To receive traits from a parent or parents
  8. 13. Organs of the respiratory system that bring oxygen-rich air into the body and send oxygen-poor air out of the body
  9. 15. A weaker trait gene
  10. 16. The tube in the body through which air moves as it travels to and from the lungs
  11. 19. System that supplies oxygen to cells and gets rid of waste
  12. 20. System that transports nutrients and oxygen to cells throughout your body
  13. 21. A muscular organ that pumps blood throughout the body
  14. 24. System that helps with body movement
  15. 26. Bands or bundles of tissue capable of contracting to move the body
  16. 27. Muscles that you can control
  17. 28. Single-celled organisms without an organized nucleus, that can only be seen using a microscope
  18. 31. Bands of connective tissue that attach muscles to bones
  19. 35. The basic unit of all living things
  20. 36. Tough, flexible material that connects bones to bones