The Muscular System

12345678910111213141516171819
Across
  1. 2. When you specifically make your muscles work
  2. 4. Shorten, become smaller and tighter.
  3. 6. What is one of the muscles used in sprinting?
  4. 9. A muscle at the front of the upper arm. It lifts and bends the lower arm when it contracts.
  5. 10. To bend at a joint.
  6. 11. The largest muscle in the human body.
  7. 15. A kind of muscle acts independently of the will.
  8. 16. What is the muscle that allows you to shrug your shoulders?
  9. 17. What is one of the muscles used in a baseball swing?
  10. 18. To loosen, go back to original length.
  11. 19. What muscles are controlled directly by the autonomic nervous system and found inside internal organs?
Down
  1. 1. A group of three muscles found on the back of the leg that flex the knee.
  2. 3. What muscle work all by itself to pump blood throughout the body?
  3. 4. The muscular system is an organ system consisting of skeletal muscles, smooth muscles and __________?
  4. 5. What is a flexible/elastic connective tissue that attaches a muscle to the bone?
  5. 7. What a loss of muscle function can produce?
  6. 8. To straighten at a joint
  7. 12. Your skeletal system works with your muscular system and nervous system to allow?
  8. 13. Muscles that attach to the bone.
  9. 14. The name of a muscle that straightens your arm.