Building Muscles

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 6. Act of expanding by lengthening or widening (10)
  2. 7. An arm exercise performed lying face to the floor and pushing the body up and down with the arms (plural) (7)
  3. 9. Moving fast on foot (7)

Down

  1. 1. Animal tissue consisting predominantly of contractile cells (plural) (7)
  2. 2. Staying steady without falling over (7)
  3. 3. One of the tendons at the back of the knee (9)
  4. 4. The act of participating in an athletic competition in which you must jump (7)
  5. 5. How fast something moves (5)
  6. 8. Having a ___ physiological or chemical effect (6)