Human Body (2)

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. Tiniest unit of living things (plural) (5)
  2. 4. The point of connection between two bones or elements of a skeleton (5)
  3. 7. The length of a line segment between the center and circumference of a circle or sphere (6)
  4. 8. Any skeletal muscle having two origins (6)
  5. 11. Bone extending from the shoulder to the elbow (7)
  6. 12. Bone linking the scapula and sternum (8)
  7. 15. Any skeletal muscle having three origins (7)
  8. 16. The longest and thickest bone of the human skeleton (5)

Down

  1. 2. Either of two saclike respiratory organs in the chest of vertebrates (plural) (5)
  2. 3. A blood vessel that carries blood from the capillaries toward the heart (4)
  3. 5. A small flat triangular bone in front of the knee that protects the knee joint (7)
  4. 6. Part of an organism consisting of an aggregate of cells having a similar structure and function (6)
  5. 9. The hard structure that provides a frame for the body of an animal (8)
  6. 10. Animal tissue consisting predominantly of contractile cells (plural) (7)
  7. 13. A blood vessel that carries blood from the heart to the body (6)
  8. 14. Any bundle of ___ fibers running to various organs and tissues of the body (plural) (6)