Solve these clues to fill the grid.
- Act of expanding by lengthening or widening
- 6 Across
- An arm exercise performed lying face to the floor and pushing the body up and down with the arms (plural)
- 7 Across
- Moving fast on foot
- 9 Across
- Animal tissue consisting predominantly of contractile cells (plural)
- 1 Down
- Staying steady without falling over
- 2 Down
- One of the tendons at the back of the knee
- 3 Down
- The act of participating in an athletic competition in which you must jump
- 4 Down
- How fast something moves
- 5 Down
- Having a ___ physiological or chemical effect
- 8 Down