Across
- 3. period of relaxation of the heart
- 4. microscopic air sacs in the lung
- 10. blood vessel that carries blood away from the heart
- 11. a constant state of natural balance within the body
- 12. breathing in; taking air into the lungs
- 13. hairlike projections
- 14. the straightening of a joint
Down
- 1. turning the palms upward (toward the sky)
- 2. decreasing the angle between two parts; bending a limb
- 4. movement of a limb towards the midline
- 5. rhythmic, wavelike motion of involuntary muscles
- 6. liquid portion of the blood
- 7. turning the palms downward (toward the ground)
- 8. period of work, or contraction, of the heart
- 9. blood vessel that carries blood toward the heart